Home / 18,488.52-25,455.06-14,963.40

Finding the Fourth Proportional to 18,488.52, 25,455.06 and 14,963.40

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Solution

The fourth proportional to 18,488.52, 25,455.06 and 14,963.40 is: 20,601.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488.52 : 25,455.06 = 14,963.40 : x
  2. Step 2: Convert to fraction form
    18,488.52/25,455.06 = 14,963.40/x
  3. Step 3: Cross multiply
    18,488.52x = 25,455.06 × 14,963.40
  4. Step 4: Simplify right side
    18,488.52x = 380,894,244.80
  5. Step 5: Solve for x
    x = 380,894,244.80/18,488.52
  6. Step 6: Final answer
    x = 20,601.66

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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.