Home / 22,998.39-31,737.71-13,437.56

Finding the Fourth Proportional to 22,998.39, 31,737.71 and 13,437.56

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Solution

The fourth proportional to 22,998.39, 31,737.71 and 13,437.56 is: 18,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,998.39 : 31,737.71 = 13,437.56 : x
  2. Step 2: Convert to fraction form
    22,998.39/31,737.71 = 13,437.56/x
  3. Step 3: Cross multiply
    22,998.39x = 31,737.71 × 13,437.56
  4. Step 4: Simplify right side
    22,998.39x = 426,477,156.51
  5. Step 5: Solve for x
    x = 426,477,156.51/22,998.39
  6. Step 6: Final answer
    x = 18,543.78

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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.