Home / 14,865.60-22,276.80-10,243.20

Finding the Fourth Proportional to 14,865.60, 22,276.80 and 10,243.20

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Solution

The fourth proportional to 14,865.60, 22,276.80 and 10,243.20 is: 15,349.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865.60 : 22,276.80 = 10,243.20 : x
  2. Step 2: Convert to fraction form
    14,865.60/22,276.80 = 10,243.20/x
  3. Step 3: Cross multiply
    14,865.60x = 22,276.80 × 10,243.20
  4. Step 4: Simplify right side
    14,865.60x = 228,185,717.76
  5. Step 5: Solve for x
    x = 228,185,717.76/14,865.60
  6. Step 6: Final answer
    x = 15,349.92

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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.