Home / 19,916.10-27,482.43-10,963.98

Finding the Fourth Proportional to 19,916.10, 27,482.43 and 10,963.98

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Solution

The fourth proportional to 19,916.10, 27,482.43 and 10,963.98 is: 15,129.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,916.10 : 27,482.43 = 10,963.98 : x
  2. Step 2: Convert to fraction form
    19,916.10/27,482.43 = 10,963.98/x
  3. Step 3: Cross multiply
    19,916.10x = 27,482.43 × 10,963.98
  4. Step 4: Simplify right side
    19,916.10x = 301,316,812.87
  5. Step 5: Solve for x
    x = 301,316,812.87/19,916.10
  6. Step 6: Final answer
    x = 15,129.31

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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.