Home / 22,545.86-31,125.80-13,595.63

Finding the Fourth Proportional to 22,545.86, 31,125.80 and 13,595.63

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Solution

The fourth proportional to 22,545.86, 31,125.80 and 13,595.63 is: 18,769.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,545.86 : 31,125.80 = 13,595.63 : x
  2. Step 2: Convert to fraction form
    22,545.86/31,125.80 = 13,595.63/x
  3. Step 3: Cross multiply
    22,545.86x = 31,125.80 × 13,595.63
  4. Step 4: Simplify right side
    22,545.86x = 423,174,738.61
  5. Step 5: Solve for x
    x = 423,174,738.61/22,545.86
  6. Step 6: Final answer
    x = 18,769.51

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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.