Home / 18,259.34-25,191.97-10,191.68

Finding the Fourth Proportional to 18,259.34, 25,191.97 and 10,191.68

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Solution

The fourth proportional to 18,259.34, 25,191.97 and 10,191.68 is: 14,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.34 : 25,191.97 = 10,191.68 : x
  2. Step 2: Convert to fraction form
    18,259.34/25,191.97 = 10,191.68/x
  3. Step 3: Cross multiply
    18,259.34x = 25,191.97 × 10,191.68
  4. Step 4: Simplify right side
    18,259.34x = 256,748,345.37
  5. Step 5: Solve for x
    x = 256,748,345.37/18,259.34
  6. Step 6: Final answer
    x = 14,061.20

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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.