Home / 16,802.51-25,203.76-5,115.83

Finding the Fourth Proportional to 16,802.51, 25,203.76 and 5,115.83

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Solution

The fourth proportional to 16,802.51, 25,203.76 and 5,115.83 is: 7,673.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,802.51 : 25,203.76 = 5,115.83 : x
  2. Step 2: Convert to fraction form
    16,802.51/25,203.76 = 5,115.83/x
  3. Step 3: Cross multiply
    16,802.51x = 25,203.76 × 5,115.83
  4. Step 4: Simplify right side
    16,802.51x = 128,938,012.71
  5. Step 5: Solve for x
    x = 128,938,012.71/16,802.51
  6. Step 6: Final answer
    x = 7,673.74

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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.