Home / 13,091.34-18,064.47-7,425.66

Finding the Fourth Proportional to 13,091.34, 18,064.47 and 7,425.66

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Solution

The fourth proportional to 13,091.34, 18,064.47 and 7,425.66 is: 10,246.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091.34 : 18,064.47 = 7,425.66 : x
  2. Step 2: Convert to fraction form
    13,091.34/18,064.47 = 7,425.66/x
  3. Step 3: Cross multiply
    13,091.34x = 18,064.47 × 7,425.66
  4. Step 4: Simplify right side
    13,091.34x = 134,140,612.30
  5. Step 5: Solve for x
    x = 134,140,612.30/13,091.34
  6. Step 6: Final answer
    x = 10,246.52

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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.