Home / 13,294.13-18,346.11-7,325.74

Finding the Fourth Proportional to 13,294.13, 18,346.11 and 7,325.74

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Solution

The fourth proportional to 13,294.13, 18,346.11 and 7,325.74 is: 10,109.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.13 : 18,346.11 = 7,325.74 : x
  2. Step 2: Convert to fraction form
    13,294.13/18,346.11 = 7,325.74/x
  3. Step 3: Cross multiply
    13,294.13x = 18,346.11 × 7,325.74
  4. Step 4: Simplify right side
    13,294.13x = 134,398,831.87
  5. Step 5: Solve for x
    x = 134,398,831.87/13,294.13
  6. Step 6: Final answer
    x = 10,109.64

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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.