Home / 19,165.45-26,448.30-10,781.95

Finding the Fourth Proportional to 19,165.45, 26,448.30 and 10,781.95

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Solution

The fourth proportional to 19,165.45, 26,448.30 and 10,781.95 is: 14,879.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.45 : 26,448.30 = 10,781.95 : x
  2. Step 2: Convert to fraction form
    19,165.45/26,448.30 = 10,781.95/x
  3. Step 3: Cross multiply
    19,165.45x = 26,448.30 × 10,781.95
  4. Step 4: Simplify right side
    19,165.45x = 285,164,248.19
  5. Step 5: Solve for x
    x = 285,164,248.19/19,165.45
  6. Step 6: Final answer
    x = 14,879.08

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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.