Home / 13,475.39-18,596.23-7,810.53

Finding the Fourth Proportional to 13,475.39, 18,596.23 and 7,810.53

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Solution

The fourth proportional to 13,475.39, 18,596.23 and 7,810.53 is: 10,778.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.39 : 18,596.23 = 7,810.53 : x
  2. Step 2: Convert to fraction form
    13,475.39/18,596.23 = 7,810.53/x
  3. Step 3: Cross multiply
    13,475.39x = 18,596.23 × 7,810.53
  4. Step 4: Simplify right side
    13,475.39x = 145,246,471.58
  5. Step 5: Solve for x
    x = 145,246,471.58/13,475.39
  6. Step 6: Final answer
    x = 10,778.65

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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.