Home / 18,411.52-25,407.66-10,028.02

Finding the Fourth Proportional to 18,411.52, 25,407.66 and 10,028.02

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Solution

The fourth proportional to 18,411.52, 25,407.66 and 10,028.02 is: 13,838.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411.52 : 25,407.66 = 10,028.02 : x
  2. Step 2: Convert to fraction form
    18,411.52/25,407.66 = 10,028.02/x
  3. Step 3: Cross multiply
    18,411.52x = 25,407.66 × 10,028.02
  4. Step 4: Simplify right side
    18,411.52x = 254,788,522.63
  5. Step 5: Solve for x
    x = 254,788,522.63/18,411.52
  6. Step 6: Final answer
    x = 13,838.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.