Home / 16,888.88-25,320.36-10,316.72

Finding the Fourth Proportional to 16,888.88, 25,320.36 and 10,316.72

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Solution

The fourth proportional to 16,888.88, 25,320.36 and 10,316.72 is: 15,467.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,888.88 : 25,320.36 = 10,316.72 : x
  2. Step 2: Convert to fraction form
    16,888.88/25,320.36 = 10,316.72/x
  3. Step 3: Cross multiply
    16,888.88x = 25,320.36 × 10,316.72
  4. Step 4: Simplify right side
    16,888.88x = 261,223,064.42
  5. Step 5: Solve for x
    x = 261,223,064.42/16,888.88
  6. Step 6: Final answer
    x = 15,467.16

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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.