Home / 22,041.12-30,417.57-13,540.53

Finding the Fourth Proportional to 22,041.12, 30,417.57 and 13,540.53

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Solution

The fourth proportional to 22,041.12, 30,417.57 and 13,540.53 is: 18,686.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,041.12 : 30,417.57 = 13,540.53 : x
  2. Step 2: Convert to fraction form
    22,041.12/30,417.57 = 13,540.53/x
  3. Step 3: Cross multiply
    22,041.12x = 30,417.57 × 13,540.53
  4. Step 4: Simplify right side
    22,041.12x = 411,870,019.11
  5. Step 5: Solve for x
    x = 411,870,019.11/22,041.12
  6. Step 6: Final answer
    x = 18,686.44

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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.