Home / 19,118.35-26,382.36-10,621.01

Finding the Fourth Proportional to 19,118.35, 26,382.36 and 10,621.01

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Solution

The fourth proportional to 19,118.35, 26,382.36 and 10,621.01 is: 14,656.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.35 : 26,382.36 = 10,621.01 : x
  2. Step 2: Convert to fraction form
    19,118.35/26,382.36 = 10,621.01/x
  3. Step 3: Cross multiply
    19,118.35x = 26,382.36 × 10,621.01
  4. Step 4: Simplify right side
    19,118.35x = 280,207,309.38
  5. Step 5: Solve for x
    x = 280,207,309.38/19,118.35
  6. Step 6: Final answer
    x = 14,656.46

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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.