Home / 14,718.40-22,077.60-4,859.20

Finding the Fourth Proportional to 14,718.40, 22,077.60 and 4,859.20

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Solution

The fourth proportional to 14,718.40, 22,077.60 and 4,859.20 is: 7,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,718.40 : 22,077.60 = 4,859.20 : x
  2. Step 2: Convert to fraction form
    14,718.40/22,077.60 = 4,859.20/x
  3. Step 3: Cross multiply
    14,718.40x = 22,077.60 × 4,859.20
  4. Step 4: Simplify right side
    14,718.40x = 107,279,473.92
  5. Step 5: Solve for x
    x = 107,279,473.92/14,718.40
  6. Step 6: Final answer
    x = 7,288.80

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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.