Home / 24,720.54-34,114.40-13,389.99

Finding the Fourth Proportional to 24,720.54, 34,114.40 and 13,389.99

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Solution

The fourth proportional to 24,720.54, 34,114.40 and 13,389.99 is: 18,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,720.54 : 34,114.40 = 13,389.99 : x
  2. Step 2: Convert to fraction form
    24,720.54/34,114.40 = 13,389.99/x
  3. Step 3: Cross multiply
    24,720.54x = 34,114.40 × 13,389.99
  4. Step 4: Simplify right side
    24,720.54x = 456,791,474.86
  5. Step 5: Solve for x
    x = 456,791,474.86/24,720.54
  6. Step 6: Final answer
    x = 18,478.22

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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.