Home / 13,925.28-19,218.24-7,957.44

Finding the Fourth Proportional to 13,925.28, 19,218.24 and 7,957.44

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Solution

The fourth proportional to 13,925.28, 19,218.24 and 7,957.44 is: 10,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.28 : 19,218.24 = 7,957.44 : x
  2. Step 2: Convert to fraction form
    13,925.28/19,218.24 = 7,957.44/x
  3. Step 3: Cross multiply
    13,925.28x = 19,218.24 × 7,957.44
  4. Step 4: Simplify right side
    13,925.28x = 152,927,991.71
  5. Step 5: Solve for x
    x = 152,927,991.71/13,925.28
  6. Step 6: Final answer
    x = 10,982.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.