Home / 19,659.43-27,155.98-14,565.30

Finding the Fourth Proportional to 19,659.43, 27,155.98 and 14,565.30

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Solution

The fourth proportional to 19,659.43, 27,155.98 and 14,565.30 is: 20,119.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659.43 : 27,155.98 = 14,565.30 : x
  2. Step 2: Convert to fraction form
    19,659.43/27,155.98 = 14,565.30/x
  3. Step 3: Cross multiply
    19,659.43x = 27,155.98 × 14,565.30
  4. Step 4: Simplify right side
    19,659.43x = 395,534,911.87
  5. Step 5: Solve for x
    x = 395,534,911.87/19,659.43
  6. Step 6: Final answer
    x = 20,119.35

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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.