Home / 18,307.56-25,265.40-11,590.74

Finding the Fourth Proportional to 18,307.56, 25,265.40 and 11,590.74

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Solution

The fourth proportional to 18,307.56, 25,265.40 and 11,590.74 is: 15,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.56 : 25,265.40 = 11,590.74 : x
  2. Step 2: Convert to fraction form
    18,307.56/25,265.40 = 11,590.74/x
  3. Step 3: Cross multiply
    18,307.56x = 25,265.40 × 11,590.74
  4. Step 4: Simplify right side
    18,307.56x = 292,844,682.40
  5. Step 5: Solve for x
    x = 292,844,682.40/18,307.56
  6. Step 6: Final answer
    x = 15,995.83

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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.