Home / 16,987.37-23,439.02-10,271.70

Finding the Fourth Proportional to 16,987.37, 23,439.02 and 10,271.70

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Solution

The fourth proportional to 16,987.37, 23,439.02 and 10,271.70 is: 14,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.37 : 23,439.02 = 10,271.70 : x
  2. Step 2: Convert to fraction form
    16,987.37/23,439.02 = 10,271.70/x
  3. Step 3: Cross multiply
    16,987.37x = 23,439.02 × 10,271.70
  4. Step 4: Simplify right side
    16,987.37x = 240,758,530.38
  5. Step 5: Solve for x
    x = 240,758,530.38/16,987.37
  6. Step 6: Final answer
    x = 14,172.80

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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.