Home / 14,281.50-19,708.47-7,993.92

Finding the Fourth Proportional to 14,281.50, 19,708.47 and 7,993.92

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Solution

The fourth proportional to 14,281.50, 19,708.47 and 7,993.92 is: 11,031.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.50 : 19,708.47 = 7,993.92 : x
  2. Step 2: Convert to fraction form
    14,281.50/19,708.47 = 7,993.92/x
  3. Step 3: Cross multiply
    14,281.50x = 19,708.47 × 7,993.92
  4. Step 4: Simplify right side
    14,281.50x = 157,547,932.50
  5. Step 5: Solve for x
    x = 157,547,932.50/14,281.50
  6. Step 6: Final answer
    x = 11,031.61

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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.