Home / 12,032.19-18,013.08-7,019.23

Finding the Fourth Proportional to 12,032.19, 18,013.08 and 7,019.23

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Solution

The fourth proportional to 12,032.19, 18,013.08 and 7,019.23 is: 10,508.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,032.19 : 18,013.08 = 7,019.23 : x
  2. Step 2: Convert to fraction form
    12,032.19/18,013.08 = 7,019.23/x
  3. Step 3: Cross multiply
    12,032.19x = 18,013.08 × 7,019.23
  4. Step 4: Simplify right side
    12,032.19x = 126,437,951.53
  5. Step 5: Solve for x
    x = 126,437,951.53/12,032.19
  6. Step 6: Final answer
    x = 10,508.31

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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.