Home / 20,111.28-30,166.59-6,070.74

Finding the Fourth Proportional to 20,111.28, 30,166.59 and 6,070.74

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Solution

The fourth proportional to 20,111.28, 30,166.59 and 6,070.74 is: 9,106.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111.28 : 30,166.59 = 6,070.74 : x
  2. Step 2: Convert to fraction form
    20,111.28/30,166.59 = 6,070.74/x
  3. Step 3: Cross multiply
    20,111.28x = 30,166.59 × 6,070.74
  4. Step 4: Simplify right side
    20,111.28x = 183,133,524.58
  5. Step 5: Solve for x
    x = 183,133,524.58/20,111.28
  6. Step 6: Final answer
    x = 9,106.01

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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.