Home / 19,075.18-28,614.68-7,070.56

Finding the Fourth Proportional to 19,075.18, 28,614.68 and 7,070.56

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Solution

The fourth proportional to 19,075.18, 28,614.68 and 7,070.56 is: 10,606.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,075.18 : 28,614.68 = 7,070.56 : x
  2. Step 2: Convert to fraction form
    19,075.18/28,614.68 = 7,070.56/x
  3. Step 3: Cross multiply
    19,075.18x = 28,614.68 × 7,070.56
  4. Step 4: Simplify right side
    19,075.18x = 202,321,811.82
  5. Step 5: Solve for x
    x = 202,321,811.82/19,075.18
  6. Step 6: Final answer
    x = 10,606.55

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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.