Home / 15,945.55-22,002.53-9,570.79

Finding the Fourth Proportional to 15,945.55, 22,002.53 and 9,570.79

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Solution

The fourth proportional to 15,945.55, 22,002.53 and 9,570.79 is: 13,206.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.55 : 22,002.53 = 9,570.79 : x
  2. Step 2: Convert to fraction form
    15,945.55/22,002.53 = 9,570.79/x
  3. Step 3: Cross multiply
    15,945.55x = 22,002.53 × 9,570.79
  4. Step 4: Simplify right side
    15,945.55x = 210,581,563.02
  5. Step 5: Solve for x
    x = 210,581,563.02/15,945.55
  6. Step 6: Final answer
    x = 13,206.29

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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.