Home / 26,128.14-36,055.35-15,511.02

Finding the Fourth Proportional to 26,128.14, 36,055.35 and 15,511.02

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Solution

The fourth proportional to 26,128.14, 36,055.35 and 15,511.02 is: 21,404.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,128.14 : 36,055.35 = 15,511.02 : x
  2. Step 2: Convert to fraction form
    26,128.14/36,055.35 = 15,511.02/x
  3. Step 3: Cross multiply
    26,128.14x = 36,055.35 × 15,511.02
  4. Step 4: Simplify right side
    26,128.14x = 559,255,254.96
  5. Step 5: Solve for x
    x = 559,255,254.96/26,128.14
  6. Step 6: Final answer
    x = 21,404.33

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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.