Home / 21,505.76-32,260.16-5,710.66

Finding the Fourth Proportional to 21,505.76, 32,260.16 and 5,710.66

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Solution

The fourth proportional to 21,505.76, 32,260.16 and 5,710.66 is: 8,566.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505.76 : 32,260.16 = 5,710.66 : x
  2. Step 2: Convert to fraction form
    21,505.76/32,260.16 = 5,710.66/x
  3. Step 3: Cross multiply
    21,505.76x = 32,260.16 × 5,710.66
  4. Step 4: Simplify right side
    21,505.76x = 184,226,805.31
  5. Step 5: Solve for x
    x = 184,226,805.31/21,505.76
  6. Step 6: Final answer
    x = 8,566.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.