Home / 16,725.65-25,094.18-10,478.21

Finding the Fourth Proportional to 16,725.65, 25,094.18 and 10,478.21

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Solution

The fourth proportional to 16,725.65, 25,094.18 and 10,478.21 is: 15,720.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,725.65 : 25,094.18 = 10,478.21 : x
  2. Step 2: Convert to fraction form
    16,725.65/25,094.18 = 10,478.21/x
  3. Step 3: Cross multiply
    16,725.65x = 25,094.18 × 10,478.21
  4. Step 4: Simplify right side
    16,725.65x = 262,941,988.54
  5. Step 5: Solve for x
    x = 262,941,988.54/16,725.65
  6. Step 6: Final answer
    x = 15,720.89

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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.