Home / 14,574.06-20,113.11-8,288.46

Finding the Fourth Proportional to 14,574.06, 20,113.11 and 8,288.46

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Solution

The fourth proportional to 14,574.06, 20,113.11 and 8,288.46 is: 11,438.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,574.06 : 20,113.11 = 8,288.46 : x
  2. Step 2: Convert to fraction form
    14,574.06/20,113.11 = 8,288.46/x
  3. Step 3: Cross multiply
    14,574.06x = 20,113.11 × 8,288.46
  4. Step 4: Simplify right side
    14,574.06x = 166,706,707.71
  5. Step 5: Solve for x
    x = 166,706,707.71/14,574.06
  6. Step 6: Final answer
    x = 11,438.59

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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.