Home / 15,088.28-20,842.11-11,595.15

Finding the Fourth Proportional to 15,088.28, 20,842.11 and 11,595.15

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Solution

The fourth proportional to 15,088.28, 20,842.11 and 11,595.15 is: 16,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,088.28 : 20,842.11 = 11,595.15 : x
  2. Step 2: Convert to fraction form
    15,088.28/20,842.11 = 11,595.15/x
  3. Step 3: Cross multiply
    15,088.28x = 20,842.11 × 11,595.15
  4. Step 4: Simplify right side
    15,088.28x = 241,667,391.77
  5. Step 5: Solve for x
    x = 241,667,391.77/15,088.28
  6. Step 6: Final answer
    x = 16,016.90

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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.