Home / 13,822.70-19,075.46-7,535.07

Finding the Fourth Proportional to 13,822.70, 19,075.46 and 7,535.07

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Solution

The fourth proportional to 13,822.70, 19,075.46 and 7,535.07 is: 10,398.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.70 : 19,075.46 = 7,535.07 : x
  2. Step 2: Convert to fraction form
    13,822.70/19,075.46 = 7,535.07/x
  3. Step 3: Cross multiply
    13,822.70x = 19,075.46 × 7,535.07
  4. Step 4: Simplify right side
    13,822.70x = 143,734,888.71
  5. Step 5: Solve for x
    x = 143,734,888.71/13,822.70
  6. Step 6: Final answer
    x = 10,398.47

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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.