Home / 22,545.73-31,125.63-13,595.50

Finding the Fourth Proportional to 22,545.73, 31,125.63 and 13,595.50

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Solution

The fourth proportional to 22,545.73, 31,125.63 and 13,595.50 is: 18,769.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,545.73 : 31,125.63 = 13,595.50 : x
  2. Step 2: Convert to fraction form
    22,545.73/31,125.63 = 13,595.50/x
  3. Step 3: Cross multiply
    22,545.73x = 31,125.63 × 13,595.50
  4. Step 4: Simplify right side
    22,545.73x = 423,168,502.67
  5. Step 5: Solve for x
    x = 423,168,502.67/22,545.73
  6. Step 6: Final answer
    x = 18,769.34

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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.