Home / 19,916.67-27,484.78-10,963.99

Finding the Fourth Proportional to 19,916.67, 27,484.78 and 10,963.99

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Solution

The fourth proportional to 19,916.67, 27,484.78 and 10,963.99 is: 15,130.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,916.67 : 27,484.78 = 10,963.99 : x
  2. Step 2: Convert to fraction form
    19,916.67/27,484.78 = 10,963.99/x
  3. Step 3: Cross multiply
    19,916.67x = 27,484.78 × 10,963.99
  4. Step 4: Simplify right side
    19,916.67x = 301,342,853.07
  5. Step 5: Solve for x
    x = 301,342,853.07/19,916.67
  6. Step 6: Final answer
    x = 15,130.18

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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.