Home / 18,259.18-25,197.66-9,875.68

Finding the Fourth Proportional to 18,259.18, 25,197.66 and 9,875.68

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Solution

The fourth proportional to 18,259.18, 25,197.66 and 9,875.68 is: 13,628.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.18 : 25,197.66 = 9,875.68 : x
  2. Step 2: Convert to fraction form
    18,259.18/25,197.66 = 9,875.68/x
  3. Step 3: Cross multiply
    18,259.18x = 25,197.66 × 9,875.68
  4. Step 4: Simplify right side
    18,259.18x = 248,844,026.91
  5. Step 5: Solve for x
    x = 248,844,026.91/18,259.18
  6. Step 6: Final answer
    x = 13,628.43

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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.