Home / 18,301.34-25,256.45-10,125.05

Finding the Fourth Proportional to 18,301.34, 25,256.45 and 10,125.05

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Solution

The fourth proportional to 18,301.34, 25,256.45 and 10,125.05 is: 13,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.34 : 25,256.45 = 10,125.05 : x
  2. Step 2: Convert to fraction form
    18,301.34/25,256.45 = 10,125.05/x
  3. Step 3: Cross multiply
    18,301.34x = 25,256.45 × 10,125.05
  4. Step 4: Simplify right side
    18,301.34x = 255,722,819.07
  5. Step 5: Solve for x
    x = 255,722,819.07/18,301.34
  6. Step 6: Final answer
    x = 13,972.90

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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.