Home / 18,534.04-25,577.10-10,578.76

Finding the Fourth Proportional to 18,534.04, 25,577.10 and 10,578.76

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Solution

The fourth proportional to 18,534.04, 25,577.10 and 10,578.76 is: 14,598.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,534.04 : 25,577.10 = 10,578.76 : x
  2. Step 2: Convert to fraction form
    18,534.04/25,577.10 = 10,578.76/x
  3. Step 3: Cross multiply
    18,534.04x = 25,577.10 × 10,578.76
  4. Step 4: Simplify right side
    18,534.04x = 270,574,002.40
  5. Step 5: Solve for x
    x = 270,574,002.40/18,534.04
  6. Step 6: Final answer
    x = 14,598.76

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Half scale
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Double scale
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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.