Home / 23,219.82-32,031.99-13,781.70

Finding the Fourth Proportional to 23,219.82, 32,031.99 and 13,781.70

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Solution

The fourth proportional to 23,219.82, 32,031.99 and 13,781.70 is: 19,012.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,219.82 : 32,031.99 = 13,781.70 : x
  2. Step 2: Convert to fraction form
    23,219.82/32,031.99 = 13,781.70/x
  3. Step 3: Cross multiply
    23,219.82x = 32,031.99 × 13,781.70
  4. Step 4: Simplify right side
    23,219.82x = 441,455,276.58
  5. Step 5: Solve for x
    x = 441,455,276.58/23,219.82
  6. Step 6: Final answer
    x = 19,012.00

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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.