Home / 15,742.08-23,601.56-7,417.40

Finding the Fourth Proportional to 15,742.08, 23,601.56 and 7,417.40

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Solution

The fourth proportional to 15,742.08, 23,601.56 and 7,417.40 is: 11,120.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,742.08 : 23,601.56 = 7,417.40 : x
  2. Step 2: Convert to fraction form
    15,742.08/23,601.56 = 7,417.40/x
  3. Step 3: Cross multiply
    15,742.08x = 23,601.56 × 7,417.40
  4. Step 4: Simplify right side
    15,742.08x = 175,062,211.14
  5. Step 5: Solve for x
    x = 175,062,211.14/15,742.08
  6. Step 6: Final answer
    x = 11,120.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.