Home / 19,303.26-26,638.25-10,919.76

Finding the Fourth Proportional to 19,303.26, 26,638.25 and 10,919.76

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Solution

The fourth proportional to 19,303.26, 26,638.25 and 10,919.76 is: 15,069.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.26 : 26,638.25 = 10,919.76 : x
  2. Step 2: Convert to fraction form
    19,303.26/26,638.25 = 10,919.76/x
  3. Step 3: Cross multiply
    19,303.26x = 26,638.25 × 10,919.76
  4. Step 4: Simplify right side
    19,303.26x = 290,883,242.22
  5. Step 5: Solve for x
    x = 290,883,242.22/19,303.26
  6. Step 6: Final answer
    x = 15,069.13

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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.