Home / 24,718.64-34,111.40-13,540.72

Finding the Fourth Proportional to 24,718.64, 34,111.40 and 13,540.72

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Solution

The fourth proportional to 24,718.64, 34,111.40 and 13,540.72 is: 18,686.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,718.64 : 34,111.40 = 13,540.72 : x
  2. Step 2: Convert to fraction form
    24,718.64/34,111.40 = 13,540.72/x
  3. Step 3: Cross multiply
    24,718.64x = 34,111.40 × 13,540.72
  4. Step 4: Simplify right side
    24,718.64x = 461,892,916.21
  5. Step 5: Solve for x
    x = 461,892,916.21/24,718.64
  6. Step 6: Final answer
    x = 18,686.02

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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.