Home / 16,975.53-23,424.23-9,421.13

Finding the Fourth Proportional to 16,975.53, 23,424.23 and 9,421.13

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Solution

The fourth proportional to 16,975.53, 23,424.23 and 9,421.13 is: 13,000.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,975.53 : 23,424.23 = 9,421.13 : x
  2. Step 2: Convert to fraction form
    16,975.53/23,424.23 = 9,421.13/x
  3. Step 3: Cross multiply
    16,975.53x = 23,424.23 × 9,421.13
  4. Step 4: Simplify right side
    16,975.53x = 220,682,551.75
  5. Step 5: Solve for x
    x = 220,682,551.75/16,975.53
  6. Step 6: Final answer
    x = 13,000.04

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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.