Home / 15,125.77-22,688.86-5,766.29

Finding the Fourth Proportional to 15,125.77, 22,688.86 and 5,766.29

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Solution

The fourth proportional to 15,125.77, 22,688.86 and 5,766.29 is: 8,649.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,125.77 : 22,688.86 = 5,766.29 : x
  2. Step 2: Convert to fraction form
    15,125.77/22,688.86 = 5,766.29/x
  3. Step 3: Cross multiply
    15,125.77x = 22,688.86 × 5,766.29
  4. Step 4: Simplify right side
    15,125.77x = 130,830,418.67
  5. Step 5: Solve for x
    x = 130,830,418.67/15,125.77
  6. Step 6: Final answer
    x = 8,649.51

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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.