Home / 15,807.53-23,714.73-4,715.12

Finding the Fourth Proportional to 15,807.53, 23,714.73 and 4,715.12

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Solution

The fourth proportional to 15,807.53, 23,714.73 and 4,715.12 is: 7,073.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,807.53 : 23,714.73 = 4,715.12 : x
  2. Step 2: Convert to fraction form
    15,807.53/23,714.73 = 4,715.12/x
  3. Step 3: Cross multiply
    15,807.53x = 23,714.73 × 4,715.12
  4. Step 4: Simplify right side
    15,807.53x = 111,817,679.14
  5. Step 5: Solve for x
    x = 111,817,679.14/15,807.53
  6. Step 6: Final answer
    x = 7,073.70

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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.