Home / 16,316.19-22,510.91-11,278.59

Finding the Fourth Proportional to 16,316.19, 22,510.91 and 11,278.59

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Solution

The fourth proportional to 16,316.19, 22,510.91 and 11,278.59 is: 15,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,316.19 : 22,510.91 = 11,278.59 : x
  2. Step 2: Convert to fraction form
    16,316.19/22,510.91 = 11,278.59/x
  3. Step 3: Cross multiply
    16,316.19x = 22,510.91 × 11,278.59
  4. Step 4: Simplify right side
    16,316.19x = 253,891,268.02
  5. Step 5: Solve for x
    x = 253,891,268.02/16,316.19
  6. Step 6: Final answer
    x = 15,560.70

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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.