Home / 14,772.80-22,159.20-10,107.20

Finding the Fourth Proportional to 14,772.80, 22,159.20 and 10,107.20

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Solution

The fourth proportional to 14,772.80, 22,159.20 and 10,107.20 is: 15,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.80 : 22,159.20 = 10,107.20 : x
  2. Step 2: Convert to fraction form
    14,772.80/22,159.20 = 10,107.20/x
  3. Step 3: Cross multiply
    14,772.80x = 22,159.20 × 10,107.20
  4. Step 4: Simplify right side
    14,772.80x = 223,967,466.24
  5. Step 5: Solve for x
    x = 223,967,466.24/14,772.80
  6. Step 6: Final answer
    x = 15,160.80

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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.