Home / 16,802.90-25,207.99-5,115.81

Finding the Fourth Proportional to 16,802.90, 25,207.99 and 5,115.81

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Solution

The fourth proportional to 16,802.90, 25,207.99 and 5,115.81 is: 7,674.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,802.90 : 25,207.99 = 5,115.81 : x
  2. Step 2: Convert to fraction form
    16,802.90/25,207.99 = 5,115.81/x
  3. Step 3: Cross multiply
    16,802.90x = 25,207.99 × 5,115.81
  4. Step 4: Simplify right side
    16,802.90x = 128,959,287.32
  5. Step 5: Solve for x
    x = 128,959,287.32/16,802.90
  6. Step 6: Final answer
    x = 7,674.82

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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.