Home / 12,535.83-18,816.98-12,253.41

Finding the Fourth Proportional to 12,535.83, 18,816.98 and 12,253.41

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Solution

The fourth proportional to 12,535.83, 18,816.98 and 12,253.41 is: 18,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.83 : 18,816.98 = 12,253.41 : x
  2. Step 2: Convert to fraction form
    12,535.83/18,816.98 = 12,253.41/x
  3. Step 3: Cross multiply
    12,535.83x = 18,816.98 × 12,253.41
  4. Step 4: Simplify right side
    12,535.83x = 230,572,109.63
  5. Step 5: Solve for x
    x = 230,572,109.63/12,535.83
  6. Step 6: Final answer
    x = 18,393.05

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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.