Home / 15,123.65-22,685.48-5,262.92

Finding the Fourth Proportional to 15,123.65, 22,685.48 and 5,262.92

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Solution

The fourth proportional to 15,123.65, 22,685.48 and 5,262.92 is: 7,894.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,123.65 : 22,685.48 = 5,262.92 : x
  2. Step 2: Convert to fraction form
    15,123.65/22,685.48 = 5,262.92/x
  3. Step 3: Cross multiply
    15,123.65x = 22,685.48 × 5,262.92
  4. Step 4: Simplify right side
    15,123.65x = 119,391,866.40
  5. Step 5: Solve for x
    x = 119,391,866.40/15,123.65
  6. Step 6: Final answer
    x = 7,894.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.