Home / 13,303.49-19,962.98-7,385.33

Finding the Fourth Proportional to 13,303.49, 19,962.98 and 7,385.33

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Solution

The fourth proportional to 13,303.49, 19,962.98 and 7,385.33 is: 11,082.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.49 : 19,962.98 = 7,385.33 : x
  2. Step 2: Convert to fraction form
    13,303.49/19,962.98 = 7,385.33/x
  3. Step 3: Cross multiply
    13,303.49x = 19,962.98 × 7,385.33
  4. Step 4: Simplify right side
    13,303.49x = 147,433,144.24
  5. Step 5: Solve for x
    x = 147,433,144.24/13,303.49
  6. Step 6: Final answer
    x = 11,082.29

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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.