Home / 16,718.45-25,088.55-7,240.03

Finding the Fourth Proportional to 16,718.45, 25,088.55 and 7,240.03

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Solution

The fourth proportional to 16,718.45, 25,088.55 and 7,240.03 is: 10,864.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,718.45 : 25,088.55 = 7,240.03 : x
  2. Step 2: Convert to fraction form
    16,718.45/25,088.55 = 7,240.03/x
  3. Step 3: Cross multiply
    16,718.45x = 25,088.55 × 7,240.03
  4. Step 4: Simplify right side
    16,718.45x = 181,641,729.21
  5. Step 5: Solve for x
    x = 181,641,729.21/16,718.45
  6. Step 6: Final answer
    x = 10,864.75

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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.