Home / 13,066.57-18,031.84-7,098.36

Finding the Fourth Proportional to 13,066.57, 18,031.84 and 7,098.36

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Solution

The fourth proportional to 13,066.57, 18,031.84 and 7,098.36 is: 9,795.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.57 : 18,031.84 = 7,098.36 : x
  2. Step 2: Convert to fraction form
    13,066.57/18,031.84 = 7,098.36/x
  3. Step 3: Cross multiply
    13,066.57x = 18,031.84 × 7,098.36
  4. Step 4: Simplify right side
    13,066.57x = 127,996,491.78
  5. Step 5: Solve for x
    x = 127,996,491.78/13,066.57
  6. Step 6: Final answer
    x = 9,795.72

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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.