Home / 15,218.15-22,816.89-5,356.13

Finding the Fourth Proportional to 15,218.15, 22,816.89 and 5,356.13

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Solution

The fourth proportional to 15,218.15, 22,816.89 and 5,356.13 is: 8,030.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,218.15 : 22,816.89 = 5,356.13 : x
  2. Step 2: Convert to fraction form
    15,218.15/22,816.89 = 5,356.13/x
  3. Step 3: Cross multiply
    15,218.15x = 22,816.89 × 5,356.13
  4. Step 4: Simplify right side
    15,218.15x = 122,210,114.95
  5. Step 5: Solve for x
    x = 122,210,114.95/15,218.15
  6. Step 6: Final answer
    x = 8,030.55

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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.