Home / 13,459.96-18,574.20-7,491.46

Finding the Fourth Proportional to 13,459.96, 18,574.20 and 7,491.46

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Solution

The fourth proportional to 13,459.96, 18,574.20 and 7,491.46 is: 10,337.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459.96 : 18,574.20 = 7,491.46 : x
  2. Step 2: Convert to fraction form
    13,459.96/18,574.20 = 7,491.46/x
  3. Step 3: Cross multiply
    13,459.96x = 18,574.20 × 7,491.46
  4. Step 4: Simplify right side
    13,459.96x = 139,147,876.33
  5. Step 5: Solve for x
    x = 139,147,876.33/13,459.96
  6. Step 6: Final answer
    x = 10,337.91

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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.