Home / 17,901.48-26,853.74-5,421.60

Finding the Fourth Proportional to 17,901.48, 26,853.74 and 5,421.60

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Solution

The fourth proportional to 17,901.48, 26,853.74 and 5,421.60 is: 8,132.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,901.48 : 26,853.74 = 5,421.60 : x
  2. Step 2: Convert to fraction form
    17,901.48/26,853.74 = 5,421.60/x
  3. Step 3: Cross multiply
    17,901.48x = 26,853.74 × 5,421.60
  4. Step 4: Simplify right side
    17,901.48x = 145,590,236.78
  5. Step 5: Solve for x
    x = 145,590,236.78/17,901.48
  6. Step 6: Final answer
    x = 8,132.86

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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.