Home / 21,927.81-32,878.54-10,066.74

Finding the Fourth Proportional to 21,927.81, 32,878.54 and 10,066.74

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Solution

The fourth proportional to 21,927.81, 32,878.54 and 10,066.74 is: 15,094.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927.81 : 32,878.54 = 10,066.74 : x
  2. Step 2: Convert to fraction form
    21,927.81/32,878.54 = 10,066.74/x
  3. Step 3: Cross multiply
    21,927.81x = 32,878.54 × 10,066.74
  4. Step 4: Simplify right side
    21,927.81x = 330,979,713.76
  5. Step 5: Solve for x
    x = 330,979,713.76/21,927.81
  6. Step 6: Final answer
    x = 15,094.06

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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.