Home / 18,941.32-26,139.06-10,558.12

Finding the Fourth Proportional to 18,941.32, 26,139.06 and 10,558.12

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Solution

The fourth proportional to 18,941.32, 26,139.06 and 10,558.12 is: 14,570.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.32 : 26,139.06 = 10,558.12 : x
  2. Step 2: Convert to fraction form
    18,941.32/26,139.06 = 10,558.12/x
  3. Step 3: Cross multiply
    18,941.32x = 26,139.06 × 10,558.12
  4. Step 4: Simplify right side
    18,941.32x = 275,979,332.17
  5. Step 5: Solve for x
    x = 275,979,332.17/18,941.32
  6. Step 6: Final answer
    x = 14,570.23

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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.