Home / 15,689.07-23,542.79-5,835.15

Finding the Fourth Proportional to 15,689.07, 23,542.79 and 5,835.15

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Solution

The fourth proportional to 15,689.07, 23,542.79 and 5,835.15 is: 8,756.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,689.07 : 23,542.79 = 5,835.15 : x
  2. Step 2: Convert to fraction form
    15,689.07/23,542.79 = 5,835.15/x
  3. Step 3: Cross multiply
    15,689.07x = 23,542.79 × 5,835.15
  4. Step 4: Simplify right side
    15,689.07x = 137,375,681.89
  5. Step 5: Solve for x
    x = 137,375,681.89/15,689.07
  6. Step 6: Final answer
    x = 8,756.14

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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.