Home / 19,207.15-28,809.71-5,880.16

Finding the Fourth Proportional to 19,207.15, 28,809.71 and 5,880.16

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Solution

The fourth proportional to 19,207.15, 28,809.71 and 5,880.16 is: 8,819.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207.15 : 28,809.71 = 5,880.16 : x
  2. Step 2: Convert to fraction form
    19,207.15/28,809.71 = 5,880.16/x
  3. Step 3: Cross multiply
    19,207.15x = 28,809.71 × 5,880.16
  4. Step 4: Simplify right side
    19,207.15x = 169,405,636.28
  5. Step 5: Solve for x
    x = 169,405,636.28/19,207.15
  6. Step 6: Final answer
    x = 8,819.93

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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.