Home / 19,259.85-28,887.21-6,113.55

Finding the Fourth Proportional to 19,259.85, 28,887.21 and 6,113.55

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Solution

The fourth proportional to 19,259.85, 28,887.21 and 6,113.55 is: 9,169.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259.85 : 28,887.21 = 6,113.55 : x
  2. Step 2: Convert to fraction form
    19,259.85/28,887.21 = 6,113.55/x
  3. Step 3: Cross multiply
    19,259.85x = 28,887.21 × 6,113.55
  4. Step 4: Simplify right side
    19,259.85x = 176,603,402.70
  5. Step 5: Solve for x
    x = 176,603,402.70/19,259.85
  6. Step 6: Final answer
    x = 9,169.51

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Double scale
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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.