Home / 13,332.48-18,406.56-8,862.24

Finding the Fourth Proportional to 13,332.48, 18,406.56 and 8,862.24

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Solution

The fourth proportional to 13,332.48, 18,406.56 and 8,862.24 is: 12,235.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.48 : 18,406.56 = 8,862.24 : x
  2. Step 2: Convert to fraction form
    13,332.48/18,406.56 = 8,862.24/x
  3. Step 3: Cross multiply
    13,332.48x = 18,406.56 × 8,862.24
  4. Step 4: Simplify right side
    13,332.48x = 163,123,352.29
  5. Step 5: Solve for x
    x = 163,123,352.29/13,332.48
  6. Step 6: Final answer
    x = 12,235.03

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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.