Home / 23,088.48-34,635.12-11,390.40

Finding the Fourth Proportional to 23,088.48, 34,635.12 and 11,390.40

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Solution

The fourth proportional to 23,088.48, 34,635.12 and 11,390.40 is: 17,086.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,088.48 : 34,635.12 = 11,390.40 : x
  2. Step 2: Convert to fraction form
    23,088.48/34,635.12 = 11,390.40/x
  3. Step 3: Cross multiply
    23,088.48x = 34,635.12 × 11,390.40
  4. Step 4: Simplify right side
    23,088.48x = 394,507,870.85
  5. Step 5: Solve for x
    x = 394,507,870.85/23,088.48
  6. Step 6: Final answer
    x = 17,086.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.