Home / 18,894.20-26,075.70-10,398.02

Finding the Fourth Proportional to 18,894.20, 26,075.70 and 10,398.02

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Solution

The fourth proportional to 18,894.20, 26,075.70 and 10,398.02 is: 14,350.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894.20 : 26,075.70 = 10,398.02 : x
  2. Step 2: Convert to fraction form
    18,894.20/26,075.70 = 10,398.02/x
  3. Step 3: Cross multiply
    18,894.20x = 26,075.70 × 10,398.02
  4. Step 4: Simplify right side
    18,894.20x = 271,135,519.74
  5. Step 5: Solve for x
    x = 271,135,519.74/18,894.20
  6. Step 6: Final answer
    x = 14,350.20

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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.