Home / 15,869.91-23,807.60-6,515.02

Finding the Fourth Proportional to 15,869.91, 23,807.60 and 6,515.02

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Solution

The fourth proportional to 15,869.91, 23,807.60 and 6,515.02 is: 9,773.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,869.91 : 23,807.60 = 6,515.02 : x
  2. Step 2: Convert to fraction form
    15,869.91/23,807.60 = 6,515.02/x
  3. Step 3: Cross multiply
    15,869.91x = 23,807.60 × 6,515.02
  4. Step 4: Simplify right side
    15,869.91x = 155,106,990.15
  5. Step 5: Solve for x
    x = 155,106,990.15/15,869.91
  6. Step 6: Final answer
    x = 9,773.65

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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.