Home / 24,720.17-34,113.86-13,389.68

Finding the Fourth Proportional to 24,720.17, 34,113.86 and 13,389.68

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Solution

The fourth proportional to 24,720.17, 34,113.86 and 13,389.68 is: 18,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,720.17 : 34,113.86 = 13,389.68 : x
  2. Step 2: Convert to fraction form
    24,720.17/34,113.86 = 13,389.68/x
  3. Step 3: Cross multiply
    24,720.17x = 34,113.86 × 13,389.68
  4. Step 4: Simplify right side
    24,720.17x = 456,773,737.51
  5. Step 5: Solve for x
    x = 456,773,737.51/24,720.17
  6. Step 6: Final answer
    x = 18,477.78

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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.