Home / 19,866.08-29,799.12-5,075.03

Finding the Fourth Proportional to 19,866.08, 29,799.12 and 5,075.03

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Solution

The fourth proportional to 19,866.08, 29,799.12 and 5,075.03 is: 7,612.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.08 : 29,799.12 = 5,075.03 : x
  2. Step 2: Convert to fraction form
    19,866.08/29,799.12 = 5,075.03/x
  3. Step 3: Cross multiply
    19,866.08x = 29,799.12 × 5,075.03
  4. Step 4: Simplify right side
    19,866.08x = 151,231,427.97
  5. Step 5: Solve for x
    x = 151,231,427.97/19,866.08
  6. Step 6: Final answer
    x = 7,612.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.