Home / 18,935.35-26,127.71-10,976.02

Finding the Fourth Proportional to 18,935.35, 26,127.71 and 10,976.02

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Solution

The fourth proportional to 18,935.35, 26,127.71 and 10,976.02 is: 15,145.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,935.35 : 26,127.71 = 10,976.02 : x
  2. Step 2: Convert to fraction form
    18,935.35/26,127.71 = 10,976.02/x
  3. Step 3: Cross multiply
    18,935.35x = 26,127.71 × 10,976.02
  4. Step 4: Simplify right side
    18,935.35x = 286,778,267.51
  5. Step 5: Solve for x
    x = 286,778,267.51/18,935.35
  6. Step 6: Final answer
    x = 15,145.13

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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.