Home / 18,417.60-25,385.94-13,033.08

Finding the Fourth Proportional to 18,417.60, 25,385.94 and 13,033.08

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Solution

The fourth proportional to 18,417.60, 25,385.94 and 13,033.08 is: 17,964.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,417.60 : 25,385.94 = 13,033.08 : x
  2. Step 2: Convert to fraction form
    18,417.60/25,385.94 = 13,033.08/x
  3. Step 3: Cross multiply
    18,417.60x = 25,385.94 × 13,033.08
  4. Step 4: Simplify right side
    18,417.60x = 330,856,986.90
  5. Step 5: Solve for x
    x = 330,856,986.90/18,417.60
  6. Step 6: Final answer
    x = 17,964.17

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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.