Home / 19,916.32-27,485.51-10,963.73

Finding the Fourth Proportional to 19,916.32, 27,485.51 and 10,963.73

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Solution

The fourth proportional to 19,916.32, 27,485.51 and 10,963.73 is: 15,130.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,916.32 : 27,485.51 = 10,963.73 : x
  2. Step 2: Convert to fraction form
    19,916.32/27,485.51 = 10,963.73/x
  3. Step 3: Cross multiply
    19,916.32x = 27,485.51 × 10,963.73
  4. Step 4: Simplify right side
    19,916.32x = 301,343,669.25
  5. Step 5: Solve for x
    x = 301,343,669.25/19,916.32
  6. Step 6: Final answer
    x = 15,130.49

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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.