Home / 19,170.10-28,769.12-9,817.93

Finding the Fourth Proportional to 19,170.10, 28,769.12 and 9,817.93

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Solution

The fourth proportional to 19,170.10, 28,769.12 and 9,817.93 is: 14,734.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.10 : 28,769.12 = 9,817.93 : x
  2. Step 2: Convert to fraction form
    19,170.10/28,769.12 = 9,817.93/x
  3. Step 3: Cross multiply
    19,170.10x = 28,769.12 × 9,817.93
  4. Step 4: Simplify right side
    19,170.10x = 282,453,206.32
  5. Step 5: Solve for x
    x = 282,453,206.32/19,170.10
  6. Step 6: Final answer
    x = 14,734.05

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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.