Home / 18,148.38-25,044.75-10,190.58

Finding the Fourth Proportional to 18,148.38, 25,044.75 and 10,190.58

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Solution

The fourth proportional to 18,148.38, 25,044.75 and 10,190.58 is: 14,062.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.38 : 25,044.75 = 10,190.58 : x
  2. Step 2: Convert to fraction form
    18,148.38/25,044.75 = 10,190.58/x
  3. Step 3: Cross multiply
    18,148.38x = 25,044.75 × 10,190.58
  4. Step 4: Simplify right side
    18,148.38x = 255,220,528.46
  5. Step 5: Solve for x
    x = 255,220,528.46/18,148.38
  6. Step 6: Final answer
    x = 14,062.99

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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.