Home / 14,988.23-20,683.76-8,273.86

Finding the Fourth Proportional to 14,988.23, 20,683.76 and 8,273.86

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Solution

The fourth proportional to 14,988.23, 20,683.76 and 8,273.86 is: 11,417.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988.23 : 20,683.76 = 8,273.86 : x
  2. Step 2: Convert to fraction form
    14,988.23/20,683.76 = 8,273.86/x
  3. Step 3: Cross multiply
    14,988.23x = 20,683.76 × 8,273.86
  4. Step 4: Simplify right side
    14,988.23x = 171,134,503.49
  5. Step 5: Solve for x
    x = 171,134,503.49/14,988.23
  6. Step 6: Final answer
    x = 11,417.92

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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.