Home / 18,623.32-25,699.83-10,125.61

Finding the Fourth Proportional to 18,623.32, 25,699.83 and 10,125.61

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Solution

The fourth proportional to 18,623.32, 25,699.83 and 10,125.61 is: 13,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.32 : 25,699.83 = 10,125.61 : x
  2. Step 2: Convert to fraction form
    18,623.32/25,699.83 = 10,125.61/x
  3. Step 3: Cross multiply
    18,623.32x = 25,699.83 × 10,125.61
  4. Step 4: Simplify right side
    18,623.32x = 260,226,410.38
  5. Step 5: Solve for x
    x = 260,226,410.38/18,623.32
  6. Step 6: Final answer
    x = 13,973.15

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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.