Home / 12,365.40-18,548.10-10,176.60

Finding the Fourth Proportional to 12,365.40, 18,548.10 and 10,176.60

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Solution

The fourth proportional to 12,365.40, 18,548.10 and 10,176.60 is: 15,264.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.40 : 18,548.10 = 10,176.60 : x
  2. Step 2: Convert to fraction form
    12,365.40/18,548.10 = 10,176.60/x
  3. Step 3: Cross multiply
    12,365.40x = 18,548.10 × 10,176.60
  4. Step 4: Simplify right side
    12,365.40x = 188,756,594.46
  5. Step 5: Solve for x
    x = 188,756,594.46/12,365.40
  6. Step 6: Final answer
    x = 15,264.90

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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.