Home / 15,955.28-22,025.48-11,421.52

Finding the Fourth Proportional to 15,955.28, 22,025.48 and 11,421.52

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Solution

The fourth proportional to 15,955.28, 22,025.48 and 11,421.52 is: 15,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955.28 : 22,025.48 = 11,421.52 : x
  2. Step 2: Convert to fraction form
    15,955.28/22,025.48 = 11,421.52/x
  3. Step 3: Cross multiply
    15,955.28x = 22,025.48 × 11,421.52
  4. Step 4: Simplify right side
    15,955.28x = 251,564,460.33
  5. Step 5: Solve for x
    x = 251,564,460.33/15,955.28
  6. Step 6: Final answer
    x = 15,766.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.