Home / 19,152.18-28,755.18-9,798.91

Finding the Fourth Proportional to 19,152.18, 28,755.18 and 9,798.91

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Solution

The fourth proportional to 19,152.18, 28,755.18 and 9,798.91 is: 14,712.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.18 : 28,755.18 = 9,798.91 : x
  2. Step 2: Convert to fraction form
    19,152.18/28,755.18 = 9,798.91/x
  3. Step 3: Cross multiply
    19,152.18x = 28,755.18 × 9,798.91
  4. Step 4: Simplify right side
    19,152.18x = 281,769,420.85
  5. Step 5: Solve for x
    x = 281,769,420.85/19,152.18
  6. Step 6: Final answer
    x = 14,712.13

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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.