Home / 20,051.52-27,671.16-10,853.07

Finding the Fourth Proportional to 20,051.52, 27,671.16 and 10,853.07

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Solution

The fourth proportional to 20,051.52, 27,671.16 and 10,853.07 is: 14,977.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051.52 : 27,671.16 = 10,853.07 : x
  2. Step 2: Convert to fraction form
    20,051.52/27,671.16 = 10,853.07/x
  3. Step 3: Cross multiply
    20,051.52x = 27,671.16 × 10,853.07
  4. Step 4: Simplify right side
    20,051.52x = 300,317,036.46
  5. Step 5: Solve for x
    x = 300,317,036.46/20,051.52
  6. Step 6: Final answer
    x = 14,977.27

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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.