Home / 16,975.67-23,426.06-9,421.55

Finding the Fourth Proportional to 16,975.67, 23,426.06 and 9,421.55

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Solution

The fourth proportional to 16,975.67, 23,426.06 and 9,421.55 is: 13,001.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,975.67 : 23,426.06 = 9,421.55 : x
  2. Step 2: Convert to fraction form
    16,975.67/23,426.06 = 9,421.55/x
  3. Step 3: Cross multiply
    16,975.67x = 23,426.06 × 9,421.55
  4. Step 4: Simplify right side
    16,975.67x = 220,709,631.35
  5. Step 5: Solve for x
    x = 220,709,631.35/16,975.67
  6. Step 6: Final answer
    x = 13,001.53

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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.