Home / 15,979.93-22,052.46-8,810.13

Finding the Fourth Proportional to 15,979.93, 22,052.46 and 8,810.13

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Solution

The fourth proportional to 15,979.93, 22,052.46 and 8,810.13 is: 12,158.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979.93 : 22,052.46 = 8,810.13 : x
  2. Step 2: Convert to fraction form
    15,979.93/22,052.46 = 8,810.13/x
  3. Step 3: Cross multiply
    15,979.93x = 22,052.46 × 8,810.13
  4. Step 4: Simplify right side
    15,979.93x = 194,285,039.42
  5. Step 5: Solve for x
    x = 194,285,039.42/15,979.93
  6. Step 6: Final answer
    x = 12,158.07

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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.