Home / 18,916.08-26,107.35-10,963.14

Finding the Fourth Proportional to 18,916.08, 26,107.35 and 10,963.14

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Solution

The fourth proportional to 18,916.08, 26,107.35 and 10,963.14 is: 15,130.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916.08 : 26,107.35 = 10,963.14 : x
  2. Step 2: Convert to fraction form
    18,916.08/26,107.35 = 10,963.14/x
  3. Step 3: Cross multiply
    18,916.08x = 26,107.35 × 10,963.14
  4. Step 4: Simplify right side
    18,916.08x = 286,218,533.08
  5. Step 5: Solve for x
    x = 286,218,533.08/18,916.08
  6. Step 6: Final answer
    x = 15,130.96

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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.