Home / 15,005.70-22,591.67-13,260.69

Finding the Fourth Proportional to 15,005.70, 22,591.67 and 13,260.69

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Solution

The fourth proportional to 15,005.70, 22,591.67 and 13,260.69 is: 19,964.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,005.70 : 22,591.67 = 13,260.69 : x
  2. Step 2: Convert to fraction form
    15,005.70/22,591.67 = 13,260.69/x
  3. Step 3: Cross multiply
    15,005.70x = 22,591.67 × 13,260.69
  4. Step 4: Simplify right side
    15,005.70x = 299,581,066.15
  5. Step 5: Solve for x
    x = 299,581,066.15/15,005.70
  6. Step 6: Final answer
    x = 19,964.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.