Home / 14,778.60-22,169.93-4,915.50

Finding the Fourth Proportional to 14,778.60, 22,169.93 and 4,915.50

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Solution

The fourth proportional to 14,778.60, 22,169.93 and 4,915.50 is: 7,373.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,778.60 : 22,169.93 = 4,915.50 : x
  2. Step 2: Convert to fraction form
    14,778.60/22,169.93 = 4,915.50/x
  3. Step 3: Cross multiply
    14,778.60x = 22,169.93 × 4,915.50
  4. Step 4: Simplify right side
    14,778.60x = 108,976,266.34
  5. Step 5: Solve for x
    x = 108,976,266.34/14,778.60
  6. Step 6: Final answer
    x = 7,373.92

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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.