Home / 13,822.88-19,075.70-7,535.39

Finding the Fourth Proportional to 13,822.88, 19,075.70 and 7,535.39

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Solution

The fourth proportional to 13,822.88, 19,075.70 and 7,535.39 is: 10,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.88 : 19,075.70 = 7,535.39 : x
  2. Step 2: Convert to fraction form
    13,822.88/19,075.70 = 7,535.39/x
  3. Step 3: Cross multiply
    13,822.88x = 19,075.70 × 7,535.39
  4. Step 4: Simplify right side
    13,822.88x = 143,742,762.48
  5. Step 5: Solve for x
    x = 143,742,762.48/13,822.88
  6. Step 6: Final answer
    x = 10,398.90

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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.