Home / 19,943.42-27,533.72-17,729.28

Finding the Fourth Proportional to 19,943.42, 27,533.72 and 17,729.28

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Solution

The fourth proportional to 19,943.42, 27,533.72 and 17,729.28 is: 24,476.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.42 : 27,533.72 = 17,729.28 : x
  2. Step 2: Convert to fraction form
    19,943.42/27,533.72 = 17,729.28/x
  3. Step 3: Cross multiply
    19,943.42x = 27,533.72 × 17,729.28
  4. Step 4: Simplify right side
    19,943.42x = 488,153,075.64
  5. Step 5: Solve for x
    x = 488,153,075.64/19,943.42
  6. Step 6: Final answer
    x = 24,476.91

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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.