Home / 22,119.48-30,523.77-12,559.23

Finding the Fourth Proportional to 22,119.48, 30,523.77 and 12,559.23

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Solution

The fourth proportional to 22,119.48, 30,523.77 and 12,559.23 is: 17,331.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,119.48 : 30,523.77 = 12,559.23 : x
  2. Step 2: Convert to fraction form
    22,119.48/30,523.77 = 12,559.23/x
  3. Step 3: Cross multiply
    22,119.48x = 30,523.77 × 12,559.23
  4. Step 4: Simplify right side
    22,119.48x = 383,355,047.90
  5. Step 5: Solve for x
    x = 383,355,047.90/22,119.48
  6. Step 6: Final answer
    x = 17,331.11

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Half scale
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Double scale
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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.