Home / 17,886.16-26,826.18-4,739.86

Finding the Fourth Proportional to 17,886.16, 26,826.18 and 4,739.86

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Solution

The fourth proportional to 17,886.16, 26,826.18 and 4,739.86 is: 7,108.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,886.16 : 26,826.18 = 4,739.86 : x
  2. Step 2: Convert to fraction form
    17,886.16/26,826.18 = 4,739.86/x
  3. Step 3: Cross multiply
    17,886.16x = 26,826.18 × 4,739.86
  4. Step 4: Simplify right side
    17,886.16x = 127,152,337.53
  5. Step 5: Solve for x
    x = 127,152,337.53/17,886.16
  6. Step 6: Final answer
    x = 7,108.98

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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.