Home / 13,466.25-20,182.50-7,210.76

Finding the Fourth Proportional to 13,466.25, 20,182.50 and 7,210.76

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Solution

The fourth proportional to 13,466.25, 20,182.50 and 7,210.76 is: 10,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.25 : 20,182.50 = 7,210.76 : x
  2. Step 2: Convert to fraction form
    13,466.25/20,182.50 = 7,210.76/x
  3. Step 3: Cross multiply
    13,466.25x = 20,182.50 × 7,210.76
  4. Step 4: Simplify right side
    13,466.25x = 145,531,062.79
  5. Step 5: Solve for x
    x = 145,531,062.79/13,466.25
  6. Step 6: Final answer
    x = 10,807.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.