Home / 20,826.08-31,238.72-6,034.40

Finding the Fourth Proportional to 20,826.08, 31,238.72 and 6,034.40

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Solution

The fourth proportional to 20,826.08, 31,238.72 and 6,034.40 is: 9,051.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,826.08 : 31,238.72 = 6,034.40 : x
  2. Step 2: Convert to fraction form
    20,826.08/31,238.72 = 6,034.40/x
  3. Step 3: Cross multiply
    20,826.08x = 31,238.72 × 6,034.40
  4. Step 4: Simplify right side
    20,826.08x = 188,506,931.97
  5. Step 5: Solve for x
    x = 188,506,931.97/20,826.08
  6. Step 6: Final answer
    x = 9,051.48

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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.