Home / 48,126.86-72,189.06-13,065.60

Finding the Fourth Proportional to 48,126.86, 72,189.06 and 13,065.60

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Solution

The fourth proportional to 48,126.86, 72,189.06 and 13,065.60 is: 19,598.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,126.86 : 72,189.06 = 13,065.60 : x
  2. Step 2: Convert to fraction form
    48,126.86/72,189.06 = 13,065.60/x
  3. Step 3: Cross multiply
    48,126.86x = 72,189.06 × 13,065.60
  4. Step 4: Simplify right side
    48,126.86x = 943,193,382.34
  5. Step 5: Solve for x
    x = 943,193,382.34/48,126.86
  6. Step 6: Final answer
    x = 19,598.07

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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.