Home / 13,066.19-18,031.67-7,097.86

Finding the Fourth Proportional to 13,066.19, 18,031.67 and 7,097.86

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Solution

The fourth proportional to 13,066.19, 18,031.67 and 7,097.86 is: 9,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.19 : 18,031.67 = 7,097.86 : x
  2. Step 2: Convert to fraction form
    13,066.19/18,031.67 = 7,097.86/x
  3. Step 3: Cross multiply
    13,066.19x = 18,031.67 × 7,097.86
  4. Step 4: Simplify right side
    13,066.19x = 127,986,179.07
  5. Step 5: Solve for x
    x = 127,986,179.07/13,066.19
  6. Step 6: Final answer
    x = 9,795.22

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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.