Home / 15,036.62-20,740.10-9,063.38

Finding the Fourth Proportional to 15,036.62, 20,740.10 and 9,063.38

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Solution

The fourth proportional to 15,036.62, 20,740.10 and 9,063.38 is: 12,501.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036.62 : 20,740.10 = 9,063.38 : x
  2. Step 2: Convert to fraction form
    15,036.62/20,740.10 = 9,063.38/x
  3. Step 3: Cross multiply
    15,036.62x = 20,740.10 × 9,063.38
  4. Step 4: Simplify right side
    15,036.62x = 187,975,258.52
  5. Step 5: Solve for x
    x = 187,975,258.52/15,036.62
  6. Step 6: Final answer
    x = 12,501.17

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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.