Home / 21,152.56-29,191.44-14,074.24

Finding the Fourth Proportional to 21,152.56, 29,191.44 and 14,074.24

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Solution

The fourth proportional to 21,152.56, 29,191.44 and 14,074.24 is: 19,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,152.56 : 29,191.44 = 14,074.24 : x
  2. Step 2: Convert to fraction form
    21,152.56/29,191.44 = 14,074.24/x
  3. Step 3: Cross multiply
    21,152.56x = 29,191.44 × 14,074.24
  4. Step 4: Simplify right side
    21,152.56x = 410,847,332.51
  5. Step 5: Solve for x
    x = 410,847,332.51/21,152.56
  6. Step 6: Final answer
    x = 19,423.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.