Home / 15,731.15-23,600.81-5,870.50

Finding the Fourth Proportional to 15,731.15, 23,600.81 and 5,870.50

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Solution

The fourth proportional to 15,731.15, 23,600.81 and 5,870.50 is: 8,807.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,731.15 : 23,600.81 = 5,870.50 : x
  2. Step 2: Convert to fraction form
    15,731.15/23,600.81 = 5,870.50/x
  3. Step 3: Cross multiply
    15,731.15x = 23,600.81 × 5,870.50
  4. Step 4: Simplify right side
    15,731.15x = 138,548,555.11
  5. Step 5: Solve for x
    x = 138,548,555.11/15,731.15
  6. Step 6: Final answer
    x = 8,807.27

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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.