Home / 15,141.45-22,715.96-14,890.31

Finding the Fourth Proportional to 15,141.45, 22,715.96 and 14,890.31

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Solution

The fourth proportional to 15,141.45, 22,715.96 and 14,890.31 is: 22,339.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141.45 : 22,715.96 = 14,890.31 : x
  2. Step 2: Convert to fraction form
    15,141.45/22,715.96 = 14,890.31/x
  3. Step 3: Cross multiply
    15,141.45x = 22,715.96 × 14,890.31
  4. Step 4: Simplify right side
    15,141.45x = 338,247,686.35
  5. Step 5: Solve for x
    x = 338,247,686.35/15,141.45
  6. Step 6: Final answer
    x = 22,339.19

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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.