Home / 14,208.48-21,312.76-4,972.32

Finding the Fourth Proportional to 14,208.48, 21,312.76 and 4,972.32

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Solution

The fourth proportional to 14,208.48, 21,312.76 and 4,972.32 is: 7,458.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.48 : 21,312.76 = 4,972.32 : x
  2. Step 2: Convert to fraction form
    14,208.48/21,312.76 = 4,972.32/x
  3. Step 3: Cross multiply
    14,208.48x = 21,312.76 × 4,972.32
  4. Step 4: Simplify right side
    14,208.48x = 105,973,862.80
  5. Step 5: Solve for x
    x = 105,973,862.80/14,208.48
  6. Step 6: Final answer
    x = 7,458.49

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.