Home / 21,518.66-32,266.47-9,199.94

Finding the Fourth Proportional to 21,518.66, 32,266.47 and 9,199.94

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Solution

The fourth proportional to 21,518.66, 32,266.47 and 9,199.94 is: 13,794.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,518.66 : 32,266.47 = 9,199.94 : x
  2. Step 2: Convert to fraction form
    21,518.66/32,266.47 = 9,199.94/x
  3. Step 3: Cross multiply
    21,518.66x = 32,266.47 × 9,199.94
  4. Step 4: Simplify right side
    21,518.66x = 296,849,588.01
  5. Step 5: Solve for x
    x = 296,849,588.01/21,518.66
  6. Step 6: Final answer
    x = 13,794.98

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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.