Home / 19,916.42-27,484.65-10,963.88

Finding the Fourth Proportional to 19,916.42, 27,484.65 and 10,963.88

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Solution

The fourth proportional to 19,916.42, 27,484.65 and 10,963.88 is: 15,130.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,916.42 : 27,484.65 = 10,963.88 : x
  2. Step 2: Convert to fraction form
    19,916.42/27,484.65 = 10,963.88/x
  3. Step 3: Cross multiply
    19,916.42x = 27,484.65 × 10,963.88
  4. Step 4: Simplify right side
    19,916.42x = 301,338,267.02
  5. Step 5: Solve for x
    x = 301,338,267.02/19,916.42
  6. Step 6: Final answer
    x = 15,130.15

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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.