Home / 18,217.70-25,140.71-10,151.36

Finding the Fourth Proportional to 18,217.70, 25,140.71 and 10,151.36

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Solution

The fourth proportional to 18,217.70, 25,140.71 and 10,151.36 is: 14,009.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.70 : 25,140.71 = 10,151.36 : x
  2. Step 2: Convert to fraction form
    18,217.70/25,140.71 = 10,151.36/x
  3. Step 3: Cross multiply
    18,217.70x = 25,140.71 × 10,151.36
  4. Step 4: Simplify right side
    18,217.70x = 255,212,486.10
  5. Step 5: Solve for x
    x = 255,212,486.10/18,217.70
  6. Step 6: Final answer
    x = 14,009.04

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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.