Home / 13,822.34-19,075.20-7,535.12

Finding the Fourth Proportional to 13,822.34, 19,075.20 and 7,535.12

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Solution

The fourth proportional to 13,822.34, 19,075.20 and 7,535.12 is: 10,398.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.34 : 19,075.20 = 7,535.12 : x
  2. Step 2: Convert to fraction form
    13,822.34/19,075.20 = 7,535.12/x
  3. Step 3: Cross multiply
    13,822.34x = 19,075.20 × 7,535.12
  4. Step 4: Simplify right side
    13,822.34x = 143,733,921.02
  5. Step 5: Solve for x
    x = 143,733,921.02/13,822.34
  6. Step 6: Final answer
    x = 10,398.67

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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.