Home / 13,161.14-18,156.02-9,570.53

Finding the Fourth Proportional to 13,161.14, 18,156.02 and 9,570.53

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Solution

The fourth proportional to 13,161.14, 18,156.02 and 9,570.53 is: 13,202.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161.14 : 18,156.02 = 9,570.53 : x
  2. Step 2: Convert to fraction form
    13,161.14/18,156.02 = 9,570.53/x
  3. Step 3: Cross multiply
    13,161.14x = 18,156.02 × 9,570.53
  4. Step 4: Simplify right side
    13,161.14x = 173,762,595.46
  5. Step 5: Solve for x
    x = 173,762,595.46/13,161.14
  6. Step 6: Final answer
    x = 13,202.71

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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.