Home / 12,008.80-18,033.45-10,032.40

Finding the Fourth Proportional to 12,008.80, 18,033.45 and 10,032.40

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Solution

The fourth proportional to 12,008.80, 18,033.45 and 10,032.40 is: 15,065.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008.80 : 18,033.45 = 10,032.40 : x
  2. Step 2: Convert to fraction form
    12,008.80/18,033.45 = 10,032.40/x
  3. Step 3: Cross multiply
    12,008.80x = 18,033.45 × 10,032.40
  4. Step 4: Simplify right side
    12,008.80x = 180,918,783.78
  5. Step 5: Solve for x
    x = 180,918,783.78/12,008.80
  6. Step 6: Final answer
    x = 15,065.52

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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.