Home / 42,832.22-64,240.59-11,660.18

Finding the Fourth Proportional to 42,832.22, 64,240.59 and 11,660.18

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Solution

The fourth proportional to 42,832.22, 64,240.59 and 11,660.18 is: 17,488.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,832.22 : 64,240.59 = 11,660.18 : x
  2. Step 2: Convert to fraction form
    42,832.22/64,240.59 = 11,660.18/x
  3. Step 3: Cross multiply
    42,832.22x = 64,240.59 × 11,660.18
  4. Step 4: Simplify right side
    42,832.22x = 749,056,842.71
  5. Step 5: Solve for x
    x = 749,056,842.71/42,832.22
  6. Step 6: Final answer
    x = 17,488.16

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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.