Home / 18,897.56-28,347.90-5,750.04

Finding the Fourth Proportional to 18,897.56, 28,347.90 and 5,750.04

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Solution

The fourth proportional to 18,897.56, 28,347.90 and 5,750.04 is: 8,625.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897.56 : 28,347.90 = 5,750.04 : x
  2. Step 2: Convert to fraction form
    18,897.56/28,347.90 = 5,750.04/x
  3. Step 3: Cross multiply
    18,897.56x = 28,347.90 × 5,750.04
  4. Step 4: Simplify right side
    18,897.56x = 163,001,558.92
  5. Step 5: Solve for x
    x = 163,001,558.92/18,897.56
  6. Step 6: Final answer
    x = 8,625.53

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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.