Home / 18,056.51-27,085.32-4,909.16

Finding the Fourth Proportional to 18,056.51, 27,085.32 and 4,909.16

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Solution

The fourth proportional to 18,056.51, 27,085.32 and 4,909.16 is: 7,363.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,056.51 : 27,085.32 = 4,909.16 : x
  2. Step 2: Convert to fraction form
    18,056.51/27,085.32 = 4,909.16/x
  3. Step 3: Cross multiply
    18,056.51x = 27,085.32 × 4,909.16
  4. Step 4: Simplify right side
    18,056.51x = 132,966,034.10
  5. Step 5: Solve for x
    x = 132,966,034.10/18,056.51
  6. Step 6: Final answer
    x = 7,363.89

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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.