Home / 15,870.11-23,806.75-5,877.53

Finding the Fourth Proportional to 15,870.11, 23,806.75 and 5,877.53

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Solution

The fourth proportional to 15,870.11, 23,806.75 and 5,877.53 is: 8,816.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,870.11 : 23,806.75 = 5,877.53 : x
  2. Step 2: Convert to fraction form
    15,870.11/23,806.75 = 5,877.53/x
  3. Step 3: Cross multiply
    15,870.11x = 23,806.75 × 5,877.53
  4. Step 4: Simplify right side
    15,870.11x = 139,924,932.15
  5. Step 5: Solve for x
    x = 139,924,932.15/15,870.11
  6. Step 6: Final answer
    x = 8,816.88

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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.