Home / 15,634.52-21,575.10-8,560.82

Finding the Fourth Proportional to 15,634.52, 21,575.10 and 8,560.82

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Solution

The fourth proportional to 15,634.52, 21,575.10 and 8,560.82 is: 11,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,634.52 : 21,575.10 = 8,560.82 : x
  2. Step 2: Convert to fraction form
    15,634.52/21,575.10 = 8,560.82/x
  3. Step 3: Cross multiply
    15,634.52x = 21,575.10 × 8,560.82
  4. Step 4: Simplify right side
    15,634.52x = 184,700,547.58
  5. Step 5: Solve for x
    x = 184,700,547.58/15,634.52
  6. Step 6: Final answer
    x = 11,813.64

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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.