Home / 21,613.41-29,851.10-14,527.53

Finding the Fourth Proportional to 21,613.41, 29,851.10 and 14,527.53

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Solution

The fourth proportional to 21,613.41, 29,851.10 and 14,527.53 is: 20,064.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,613.41 : 29,851.10 = 14,527.53 : x
  2. Step 2: Convert to fraction form
    21,613.41/29,851.10 = 14,527.53/x
  3. Step 3: Cross multiply
    21,613.41x = 29,851.10 × 14,527.53
  4. Step 4: Simplify right side
    21,613.41x = 433,662,787.10
  5. Step 5: Solve for x
    x = 433,662,787.10/21,613.41
  6. Step 6: Final answer
    x = 20,064.52

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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.