Home / 14,281.06-19,708.12-7,993.42

Finding the Fourth Proportional to 14,281.06, 19,708.12 and 7,993.42

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Solution

The fourth proportional to 14,281.06, 19,708.12 and 7,993.42 is: 11,031.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.06 : 19,708.12 = 7,993.42 : x
  2. Step 2: Convert to fraction form
    14,281.06/19,708.12 = 7,993.42/x
  3. Step 3: Cross multiply
    14,281.06x = 19,708.12 × 7,993.42
  4. Step 4: Simplify right side
    14,281.06x = 157,535,280.57
  5. Step 5: Solve for x
    x = 157,535,280.57/14,281.06
  6. Step 6: Final answer
    x = 11,031.06

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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.