Home / 20,101.84-30,159.96-6,955.52

Finding the Fourth Proportional to 20,101.84, 30,159.96 and 6,955.52

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Solution

The fourth proportional to 20,101.84, 30,159.96 and 6,955.52 is: 10,435.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101.84 : 30,159.96 = 6,955.52 : x
  2. Step 2: Convert to fraction form
    20,101.84/30,159.96 = 6,955.52/x
  3. Step 3: Cross multiply
    20,101.84x = 30,159.96 × 6,955.52
  4. Step 4: Simplify right side
    20,101.84x = 209,778,204.98
  5. Step 5: Solve for x
    x = 209,778,204.98/20,101.84
  6. Step 6: Final answer
    x = 10,435.77

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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.