Home / 24,720.09-34,113.52-13,389.32

Finding the Fourth Proportional to 24,720.09, 34,113.52 and 13,389.32

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Solution

The fourth proportional to 24,720.09, 34,113.52 and 13,389.32 is: 18,477.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,720.09 : 34,113.52 = 13,389.32 : x
  2. Step 2: Convert to fraction form
    24,720.09/34,113.52 = 13,389.32/x
  3. Step 3: Cross multiply
    24,720.09x = 34,113.52 × 13,389.32
  4. Step 4: Simplify right side
    24,720.09x = 456,756,887.42
  5. Step 5: Solve for x
    x = 456,756,887.42/24,720.09
  6. Step 6: Final answer
    x = 18,477.15

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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.