Home / 18,307.12-25,265.36-10,349.88

Finding the Fourth Proportional to 18,307.12, 25,265.36 and 10,349.88

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Solution

The fourth proportional to 18,307.12, 25,265.36 and 10,349.88 is: 14,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.12 : 25,265.36 = 10,349.88 : x
  2. Step 2: Convert to fraction form
    18,307.12/25,265.36 = 10,349.88/x
  3. Step 3: Cross multiply
    18,307.12x = 25,265.36 × 10,349.88
  4. Step 4: Simplify right side
    18,307.12x = 261,493,444.16
  5. Step 5: Solve for x
    x = 261,493,444.16/18,307.12
  6. Step 6: Final answer
    x = 14,283.70

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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.