Home / 21,498.67-32,235.47-8,335.66

Finding the Fourth Proportional to 21,498.67, 32,235.47 and 8,335.66

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Solution

The fourth proportional to 21,498.67, 32,235.47 and 8,335.66 is: 12,498.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,498.67 : 32,235.47 = 8,335.66 : x
  2. Step 2: Convert to fraction form
    21,498.67/32,235.47 = 8,335.66/x
  3. Step 3: Cross multiply
    21,498.67x = 32,235.47 × 8,335.66
  4. Step 4: Simplify right side
    21,498.67x = 268,703,887.29
  5. Step 5: Solve for x
    x = 268,703,887.29/21,498.67
  6. Step 6: Final answer
    x = 12,498.63

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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.