Home / 18,289.52-25,248.96-11,582.16

Finding the Fourth Proportional to 18,289.52, 25,248.96 and 11,582.16

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Solution

The fourth proportional to 18,289.52, 25,248.96 and 11,582.16 is: 15,989.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.52 : 25,248.96 = 11,582.16 : x
  2. Step 2: Convert to fraction form
    18,289.52/25,248.96 = 11,582.16/x
  3. Step 3: Cross multiply
    18,289.52x = 25,248.96 × 11,582.16
  4. Step 4: Simplify right side
    18,289.52x = 292,437,494.55
  5. Step 5: Solve for x
    x = 292,437,494.55/18,289.52
  6. Step 6: Final answer
    x = 15,989.35

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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.