Home / 19,031.57-26,268.84-11,075.33

Finding the Fourth Proportional to 19,031.57, 26,268.84 and 11,075.33

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Solution

The fourth proportional to 19,031.57, 26,268.84 and 11,075.33 is: 15,287.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031.57 : 26,268.84 = 11,075.33 : x
  2. Step 2: Convert to fraction form
    19,031.57/26,268.84 = 11,075.33/x
  3. Step 3: Cross multiply
    19,031.57x = 26,268.84 × 11,075.33
  4. Step 4: Simplify right side
    19,031.57x = 290,935,898.84
  5. Step 5: Solve for x
    x = 290,935,898.84/19,031.57
  6. Step 6: Final answer
    x = 15,287.02

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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.