Home / 15,916.48-21,964.08-8,843.36

Finding the Fourth Proportional to 15,916.48, 21,964.08 and 8,843.36

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Solution

The fourth proportional to 15,916.48, 21,964.08 and 8,843.36 is: 12,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,916.48 : 21,964.08 = 8,843.36 : x
  2. Step 2: Convert to fraction form
    15,916.48/21,964.08 = 8,843.36/x
  3. Step 3: Cross multiply
    15,916.48x = 21,964.08 × 8,843.36
  4. Step 4: Simplify right side
    15,916.48x = 194,236,266.51
  5. Step 5: Solve for x
    x = 194,236,266.51/15,916.48
  6. Step 6: Final answer
    x = 12,203.47

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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.