Home / 13,813.66-19,062.85-7,526.03

Finding the Fourth Proportional to 13,813.66, 19,062.85 and 7,526.03

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Solution

The fourth proportional to 13,813.66, 19,062.85 and 7,526.03 is: 10,385.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,813.66 : 19,062.85 = 7,526.03 : x
  2. Step 2: Convert to fraction form
    13,813.66/19,062.85 = 7,526.03/x
  3. Step 3: Cross multiply
    13,813.66x = 19,062.85 × 7,526.03
  4. Step 4: Simplify right side
    13,813.66x = 143,467,609.83
  5. Step 5: Solve for x
    x = 143,467,609.83/13,813.66
  6. Step 6: Final answer
    x = 10,385.92

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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.