Home / 14,920.90-22,376.33-7,520.64

Finding the Fourth Proportional to 14,920.90, 22,376.33 and 7,520.64

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Solution

The fourth proportional to 14,920.90, 22,376.33 and 7,520.64 is: 11,278.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,920.90 : 22,376.33 = 7,520.64 : x
  2. Step 2: Convert to fraction form
    14,920.90/22,376.33 = 7,520.64/x
  3. Step 3: Cross multiply
    14,920.90x = 22,376.33 × 7,520.64
  4. Step 4: Simplify right side
    14,920.90x = 168,284,322.45
  5. Step 5: Solve for x
    x = 168,284,322.45/14,920.90
  6. Step 6: Final answer
    x = 11,278.43

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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.