Home / 18,341.47-27,512.21-9,574.34

Finding the Fourth Proportional to 18,341.47, 27,512.21 and 9,574.34

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Solution

The fourth proportional to 18,341.47, 27,512.21 and 9,574.34 is: 14,361.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.47 : 27,512.21 = 9,574.34 : x
  2. Step 2: Convert to fraction form
    18,341.47/27,512.21 = 9,574.34/x
  3. Step 3: Cross multiply
    18,341.47x = 27,512.21 × 9,574.34
  4. Step 4: Simplify right side
    18,341.47x = 263,411,139.07
  5. Step 5: Solve for x
    x = 263,411,139.07/18,341.47
  6. Step 6: Final answer
    x = 14,361.51

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Half scale
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Double scale
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Similar ratio
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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.