Home / 22,117.95-33,177.87-7,328.16

Finding the Fourth Proportional to 22,117.95, 33,177.87 and 7,328.16

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Solution

The fourth proportional to 22,117.95, 33,177.87 and 7,328.16 is: 10,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,117.95 : 33,177.87 = 7,328.16 : x
  2. Step 2: Convert to fraction form
    22,117.95/33,177.87 = 7,328.16/x
  3. Step 3: Cross multiply
    22,117.95x = 33,177.87 × 7,328.16
  4. Step 4: Simplify right side
    22,117.95x = 243,132,739.82
  5. Step 5: Solve for x
    x = 243,132,739.82/22,117.95
  6. Step 6: Final answer
    x = 10,992.55

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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.