Home / 19,866.16-29,799.21-5,075.08

Finding the Fourth Proportional to 19,866.16, 29,799.21 and 5,075.08

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Solution

The fourth proportional to 19,866.16, 29,799.21 and 5,075.08 is: 7,612.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.16 : 29,799.21 = 5,075.08 : x
  2. Step 2: Convert to fraction form
    19,866.16/29,799.21 = 5,075.08/x
  3. Step 3: Cross multiply
    19,866.16x = 29,799.21 × 5,075.08
  4. Step 4: Simplify right side
    19,866.16x = 151,233,374.69
  5. Step 5: Solve for x
    x = 151,233,374.69/19,866.16
  6. Step 6: Final answer
    x = 7,612.61

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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.