Home / 14,391.72-21,590.28-5,626.08

Finding the Fourth Proportional to 14,391.72, 21,590.28 and 5,626.08

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Solution

The fourth proportional to 14,391.72, 21,590.28 and 5,626.08 is: 8,440.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391.72 : 21,590.28 = 5,626.08 : x
  2. Step 2: Convert to fraction form
    14,391.72/21,590.28 = 5,626.08/x
  3. Step 3: Cross multiply
    14,391.72x = 21,590.28 × 5,626.08
  4. Step 4: Simplify right side
    14,391.72x = 121,468,642.50
  5. Step 5: Solve for x
    x = 121,468,642.50/14,391.72
  6. Step 6: Final answer
    x = 8,440.18

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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.