Home / 18,538.98-25,583.87-10,041.20

Finding the Fourth Proportional to 18,538.98, 25,583.87 and 10,041.20

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Solution

The fourth proportional to 18,538.98, 25,583.87 and 10,041.20 is: 13,856.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.98 : 25,583.87 = 10,041.20 : x
  2. Step 2: Convert to fraction form
    18,538.98/25,583.87 = 10,041.20/x
  3. Step 3: Cross multiply
    18,538.98x = 25,583.87 × 10,041.20
  4. Step 4: Simplify right side
    18,538.98x = 256,892,577.32
  5. Step 5: Solve for x
    x = 256,892,577.32/18,538.98
  6. Step 6: Final answer
    x = 13,856.89

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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.