Home / 18,607.19-25,677.51-10,540.20

Finding the Fourth Proportional to 18,607.19, 25,677.51 and 10,540.20

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Solution

The fourth proportional to 18,607.19, 25,677.51 and 10,540.20 is: 14,545.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.19 : 25,677.51 = 10,540.20 : x
  2. Step 2: Convert to fraction form
    18,607.19/25,677.51 = 10,540.20/x
  3. Step 3: Cross multiply
    18,607.19x = 25,677.51 × 10,540.20
  4. Step 4: Simplify right side
    18,607.19x = 270,646,075.45
  5. Step 5: Solve for x
    x = 270,646,075.45/18,607.19
  6. Step 6: Final answer
    x = 14,545.24

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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.