Home / 15,730.71-23,600.15-5,870.06

Finding the Fourth Proportional to 15,730.71, 23,600.15 and 5,870.06

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Solution

The fourth proportional to 15,730.71, 23,600.15 and 5,870.06 is: 8,806.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,730.71 : 23,600.15 = 5,870.06 : x
  2. Step 2: Convert to fraction form
    15,730.71/23,600.15 = 5,870.06/x
  3. Step 3: Cross multiply
    15,730.71x = 23,600.15 × 5,870.06
  4. Step 4: Simplify right side
    15,730.71x = 138,534,370.18
  5. Step 5: Solve for x
    x = 138,534,370.18/15,730.71
  6. Step 6: Final answer
    x = 8,806.62

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1.5x scale

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.