Home / 20,032.84-27,614.64-14,989.42

Finding the Fourth Proportional to 20,032.84, 27,614.64 and 14,989.42

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Solution

The fourth proportional to 20,032.84, 27,614.64 and 14,989.42 is: 20,662.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,032.84 : 27,614.64 = 14,989.42 : x
  2. Step 2: Convert to fraction form
    20,032.84/27,614.64 = 14,989.42/x
  3. Step 3: Cross multiply
    20,032.84x = 27,614.64 × 14,989.42
  4. Step 4: Simplify right side
    20,032.84x = 413,927,437.11
  5. Step 5: Solve for x
    x = 413,927,437.11/20,032.84
  6. Step 6: Final answer
    x = 20,662.44

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1.5x scale

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.