Home / 13,066.76-18,032.16-7,098.42

Finding the Fourth Proportional to 13,066.76, 18,032.16 and 7,098.42

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Solution

The fourth proportional to 13,066.76, 18,032.16 and 7,098.42 is: 9,795.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.76 : 18,032.16 = 7,098.42 : x
  2. Step 2: Convert to fraction form
    13,066.76/18,032.16 = 7,098.42/x
  3. Step 3: Cross multiply
    13,066.76x = 18,032.16 × 7,098.42
  4. Step 4: Simplify right side
    13,066.76x = 127,999,845.19
  5. Step 5: Solve for x
    x = 127,999,845.19/13,066.76
  6. Step 6: Final answer
    x = 9,795.84

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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.