Home / 13,066.36-18,031.70-7,098.14

Finding the Fourth Proportional to 13,066.36, 18,031.70 and 7,098.14

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Solution

The fourth proportional to 13,066.36, 18,031.70 and 7,098.14 is: 9,795.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.36 : 18,031.70 = 7,098.14 : x
  2. Step 2: Convert to fraction form
    13,066.36/18,031.70 = 7,098.14/x
  3. Step 3: Cross multiply
    13,066.36x = 18,031.70 × 7,098.14
  4. Step 4: Simplify right side
    13,066.36x = 127,991,531.04
  5. Step 5: Solve for x
    x = 127,991,531.04/13,066.36
  6. Step 6: Final answer
    x = 9,795.50

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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.