Home / 15,254.67-22,771.52-13,187.95

Finding the Fourth Proportional to 15,254.67, 22,771.52 and 13,187.95

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Solution

The fourth proportional to 15,254.67, 22,771.52 and 13,187.95 is: 19,686.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,254.67 : 22,771.52 = 13,187.95 : x
  2. Step 2: Convert to fraction form
    15,254.67/22,771.52 = 13,187.95/x
  3. Step 3: Cross multiply
    15,254.67x = 22,771.52 × 13,187.95
  4. Step 4: Simplify right side
    15,254.67x = 300,309,667.18
  5. Step 5: Solve for x
    x = 300,309,667.18/15,254.67
  6. Step 6: Final answer
    x = 19,686.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.