Home / 13,652.35-18,855.02-10,663.68

Finding the Fourth Proportional to 13,652.35, 18,855.02 and 10,663.68

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Solution

The fourth proportional to 13,652.35, 18,855.02 and 10,663.68 is: 14,727.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.35 : 18,855.02 = 10,663.68 : x
  2. Step 2: Convert to fraction form
    13,652.35/18,855.02 = 10,663.68/x
  3. Step 3: Cross multiply
    13,652.35x = 18,855.02 × 10,663.68
  4. Step 4: Simplify right side
    13,652.35x = 201,063,762.97
  5. Step 5: Solve for x
    x = 201,063,762.97/13,652.35
  6. Step 6: Final answer
    x = 14,727.41

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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.