Home / 14,156.32-21,367.51-14,156.32

Finding the Fourth Proportional to 14,156.32, 21,367.51 and 14,156.32

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Solution

The fourth proportional to 14,156.32, 21,367.51 and 14,156.32 is: 21,367.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.32 : 21,367.51 = 14,156.32 : x
  2. Step 2: Convert to fraction form
    14,156.32/21,367.51 = 14,156.32/x
  3. Step 3: Cross multiply
    14,156.32x = 21,367.51 × 14,156.32
  4. Step 4: Simplify right side
    14,156.32x = 302,485,309.16
  5. Step 5: Solve for x
    x = 302,485,309.16/14,156.32
  6. Step 6: Final answer
    x = 21,367.51

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Half scale
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Double scale
Find fourth proportional to 14,157.32, 21,369.02 and 14,157.32
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.