Home / 14,292.90-19,725.18-8,005.32

Finding the Fourth Proportional to 14,292.90, 19,725.18 and 8,005.32

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Solution

The fourth proportional to 14,292.90, 19,725.18 and 8,005.32 is: 11,047.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292.90 : 19,725.18 = 8,005.32 : x
  2. Step 2: Convert to fraction form
    14,292.90/19,725.18 = 8,005.32/x
  3. Step 3: Cross multiply
    14,292.90x = 19,725.18 × 8,005.32
  4. Step 4: Simplify right side
    14,292.90x = 157,906,377.96
  5. Step 5: Solve for x
    x = 157,906,377.96/14,292.90
  6. Step 6: Final answer
    x = 11,047.89

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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.