Home / 18,570.87-27,853.29-6,090.71

Finding the Fourth Proportional to 18,570.87, 27,853.29 and 6,090.71

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Solution

The fourth proportional to 18,570.87, 27,853.29 and 6,090.71 is: 9,135.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.87 : 27,853.29 = 6,090.71 : x
  2. Step 2: Convert to fraction form
    18,570.87/27,853.29 = 6,090.71/x
  3. Step 3: Cross multiply
    18,570.87x = 27,853.29 × 6,090.71
  4. Step 4: Simplify right side
    18,570.87x = 169,646,172.67
  5. Step 5: Solve for x
    x = 169,646,172.67/18,570.87
  6. Step 6: Final answer
    x = 9,135.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.