Home / 18,935.24-26,130.58-10,982.08

Finding the Fourth Proportional to 18,935.24, 26,130.58 and 10,982.08

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Solution

The fourth proportional to 18,935.24, 26,130.58 and 10,982.08 is: 15,155.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,935.24 : 26,130.58 = 10,982.08 : x
  2. Step 2: Convert to fraction form
    18,935.24/26,130.58 = 10,982.08/x
  3. Step 3: Cross multiply
    18,935.24x = 26,130.58 × 10,982.08
  4. Step 4: Simplify right side
    18,935.24x = 286,968,120.01
  5. Step 5: Solve for x
    x = 286,968,120.01/18,935.24
  6. Step 6: Final answer
    x = 15,155.24

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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.