Home / 15,635.68-21,577.02-8,562.10

Finding the Fourth Proportional to 15,635.68, 21,577.02 and 8,562.10

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Solution

The fourth proportional to 15,635.68, 21,577.02 and 8,562.10 is: 11,815.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,635.68 : 21,577.02 = 8,562.10 : x
  2. Step 2: Convert to fraction form
    15,635.68/21,577.02 = 8,562.10/x
  3. Step 3: Cross multiply
    15,635.68x = 21,577.02 × 8,562.10
  4. Step 4: Simplify right side
    15,635.68x = 184,744,602.94
  5. Step 5: Solve for x
    x = 184,744,602.94/15,635.68
  6. Step 6: Final answer
    x = 11,815.58

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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.