Home / 18,854.18-28,277.60-5,703.46

Finding the Fourth Proportional to 18,854.18, 28,277.60 and 5,703.46

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Solution

The fourth proportional to 18,854.18, 28,277.60 and 5,703.46 is: 8,554.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,854.18 : 28,277.60 = 5,703.46 : x
  2. Step 2: Convert to fraction form
    18,854.18/28,277.60 = 5,703.46/x
  3. Step 3: Cross multiply
    18,854.18x = 28,277.60 × 5,703.46
  4. Step 4: Simplify right side
    18,854.18x = 161,280,160.50
  5. Step 5: Solve for x
    x = 161,280,160.50/18,854.18
  6. Step 6: Final answer
    x = 8,554.08

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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.