Home / 18,373.32-25,355.25-10,416.15

Finding the Fourth Proportional to 18,373.32, 25,355.25 and 10,416.15

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Solution

The fourth proportional to 18,373.32, 25,355.25 and 10,416.15 is: 14,374.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.32 : 25,355.25 = 10,416.15 : x
  2. Step 2: Convert to fraction form
    18,373.32/25,355.25 = 10,416.15/x
  3. Step 3: Cross multiply
    18,373.32x = 25,355.25 × 10,416.15
  4. Step 4: Simplify right side
    18,373.32x = 264,104,087.29
  5. Step 5: Solve for x
    x = 264,104,087.29/18,373.32
  6. Step 6: Final answer
    x = 14,374.33

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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.