Home / 15,097.14-20,836.44-14,432.76

Finding the Fourth Proportional to 15,097.14, 20,836.44 and 14,432.76

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Solution

The fourth proportional to 15,097.14, 20,836.44 and 14,432.76 is: 19,919.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,097.14 : 20,836.44 = 14,432.76 : x
  2. Step 2: Convert to fraction form
    15,097.14/20,836.44 = 14,432.76/x
  3. Step 3: Cross multiply
    15,097.14x = 20,836.44 × 14,432.76
  4. Step 4: Simplify right side
    15,097.14x = 300,727,337.77
  5. Step 5: Solve for x
    x = 300,727,337.77/15,097.14
  6. Step 6: Final answer
    x = 19,919.49

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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.