Home / 19,075.55-26,321.63-11,111.63

Finding the Fourth Proportional to 19,075.55, 26,321.63 and 11,111.63

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Solution

The fourth proportional to 19,075.55, 26,321.63 and 11,111.63 is: 15,332.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,075.55 : 26,321.63 = 11,111.63 : x
  2. Step 2: Convert to fraction form
    19,075.55/26,321.63 = 11,111.63/x
  3. Step 3: Cross multiply
    19,075.55x = 26,321.63 × 11,111.63
  4. Step 4: Simplify right side
    19,075.55x = 292,476,026.39
  5. Step 5: Solve for x
    x = 292,476,026.39/19,075.55
  6. Step 6: Final answer
    x = 15,332.51

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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.