Home / 14,177.90-19,565.68-7,805.24

Finding the Fourth Proportional to 14,177.90, 19,565.68 and 7,805.24

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Solution

The fourth proportional to 14,177.90, 19,565.68 and 7,805.24 is: 10,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.90 : 19,565.68 = 7,805.24 : x
  2. Step 2: Convert to fraction form
    14,177.90/19,565.68 = 7,805.24/x
  3. Step 3: Cross multiply
    14,177.90x = 19,565.68 × 7,805.24
  4. Step 4: Simplify right side
    14,177.90x = 152,714,828.16
  5. Step 5: Solve for x
    x = 152,714,828.16/14,177.90
  6. Step 6: Final answer
    x = 10,771.33

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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.