Home / 21,726.13-32,601.51-11,730.74

Finding the Fourth Proportional to 21,726.13, 32,601.51 and 11,730.74

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Solution

The fourth proportional to 21,726.13, 32,601.51 and 11,730.74 is: 17,602.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,726.13 : 32,601.51 = 11,730.74 : x
  2. Step 2: Convert to fraction form
    21,726.13/32,601.51 = 11,730.74/x
  3. Step 3: Cross multiply
    21,726.13x = 32,601.51 × 11,730.74
  4. Step 4: Simplify right side
    21,726.13x = 382,439,837.42
  5. Step 5: Solve for x
    x = 382,439,837.42/21,726.13
  6. Step 6: Final answer
    x = 17,602.76

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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.