Home / 12,952.40-19,428.60-10,032.80

Finding the Fourth Proportional to 12,952.40, 19,428.60 and 10,032.80

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Solution

The fourth proportional to 12,952.40, 19,428.60 and 10,032.80 is: 15,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952.40 : 19,428.60 = 10,032.80 : x
  2. Step 2: Convert to fraction form
    12,952.40/19,428.60 = 10,032.80/x
  3. Step 3: Cross multiply
    12,952.40x = 19,428.60 × 10,032.80
  4. Step 4: Simplify right side
    12,952.40x = 194,923,258.08
  5. Step 5: Solve for x
    x = 194,923,258.08/12,952.40
  6. Step 6: Final answer
    x = 15,049.20

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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.