Home / 22,320.11-33,479.63-5,680.16

Finding the Fourth Proportional to 22,320.11, 33,479.63 and 5,680.16

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Solution

The fourth proportional to 22,320.11, 33,479.63 and 5,680.16 is: 8,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,320.11 : 33,479.63 = 5,680.16 : x
  2. Step 2: Convert to fraction form
    22,320.11/33,479.63 = 5,680.16/x
  3. Step 3: Cross multiply
    22,320.11x = 33,479.63 × 5,680.16
  4. Step 4: Simplify right side
    22,320.11x = 190,169,606.19
  5. Step 5: Solve for x
    x = 190,169,606.19/22,320.11
  6. Step 6: Final answer
    x = 8,520.10

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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.