Home / 13,211.84-18,225.60-10,062.56

Finding the Fourth Proportional to 13,211.84, 18,225.60 and 10,062.56

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Solution

The fourth proportional to 13,211.84, 18,225.60 and 10,062.56 is: 13,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211.84 : 18,225.60 = 10,062.56 : x
  2. Step 2: Convert to fraction form
    13,211.84/18,225.60 = 10,062.56/x
  3. Step 3: Cross multiply
    13,211.84x = 18,225.60 × 10,062.56
  4. Step 4: Simplify right side
    13,211.84x = 183,396,193.54
  5. Step 5: Solve for x
    x = 183,396,193.54/13,211.84
  6. Step 6: Final answer
    x = 13,881.20

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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.