Home / 18,259.13-25,197.45-9,875.63

Finding the Fourth Proportional to 18,259.13, 25,197.45 and 9,875.63

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Solution

The fourth proportional to 18,259.13, 25,197.45 and 9,875.63 is: 13,628.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.13 : 25,197.45 = 9,875.63 : x
  2. Step 2: Convert to fraction form
    18,259.13/25,197.45 = 9,875.63/x
  3. Step 3: Cross multiply
    18,259.13x = 25,197.45 × 9,875.63
  4. Step 4: Simplify right side
    18,259.13x = 248,840,567.16
  5. Step 5: Solve for x
    x = 248,840,567.16/18,259.13
  6. Step 6: Final answer
    x = 13,628.29

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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.