Home / 13,066.54-18,031.96-7,098.33

Finding the Fourth Proportional to 13,066.54, 18,031.96 and 7,098.33

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Solution

The fourth proportional to 13,066.54, 18,031.96 and 7,098.33 is: 9,795.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.54 : 18,031.96 = 7,098.33 : x
  2. Step 2: Convert to fraction form
    13,066.54/18,031.96 = 7,098.33/x
  3. Step 3: Cross multiply
    13,066.54x = 18,031.96 × 7,098.33
  4. Step 4: Simplify right side
    13,066.54x = 127,996,712.47
  5. Step 5: Solve for x
    x = 127,996,712.47/13,066.54
  6. Step 6: Final answer
    x = 9,795.76

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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.