Home / 19,379.76-26,741.28-10,882.32

Finding the Fourth Proportional to 19,379.76, 26,741.28 and 10,882.32

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Solution

The fourth proportional to 19,379.76, 26,741.28 and 10,882.32 is: 15,016.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379.76 : 26,741.28 = 10,882.32 : x
  2. Step 2: Convert to fraction form
    19,379.76/26,741.28 = 10,882.32/x
  3. Step 3: Cross multiply
    19,379.76x = 26,741.28 × 10,882.32
  4. Step 4: Simplify right side
    19,379.76x = 291,007,166.17
  5. Step 5: Solve for x
    x = 291,007,166.17/19,379.76
  6. Step 6: Final answer
    x = 15,016.04

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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.