Home / 20,054.16-27,666-12,091.86

Finding the Fourth Proportional to 20,054.16, 27,666 and 12,091.86

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Solution

The fourth proportional to 20,054.16, 27,666 and 12,091.86 is: 16,681.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054.16 : 27,666 = 12,091.86 : x
  2. Step 2: Convert to fraction form
    20,054.16/27,666 = 12,091.86/x
  3. Step 3: Cross multiply
    20,054.16x = 27,666 × 12,091.86
  4. Step 4: Simplify right side
    20,054.16x = 334,533,398.76
  5. Step 5: Solve for x
    x = 334,533,398.76/20,054.16
  6. Step 6: Final answer
    x = 16,681.50

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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.