Home / 14,565.60-21,853.80-5,806.80

Finding the Fourth Proportional to 14,565.60, 21,853.80 and 5,806.80

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Solution

The fourth proportional to 14,565.60, 21,853.80 and 5,806.80 is: 8,712.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,565.60 : 21,853.80 = 5,806.80 : x
  2. Step 2: Convert to fraction form
    14,565.60/21,853.80 = 5,806.80/x
  3. Step 3: Cross multiply
    14,565.60x = 21,853.80 × 5,806.80
  4. Step 4: Simplify right side
    14,565.60x = 126,900,645.84
  5. Step 5: Solve for x
    x = 126,900,645.84/14,565.60
  6. Step 6: Final answer
    x = 8,712.35

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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.