Home / 13,810.44-19,058.70-7,522.80

Finding the Fourth Proportional to 13,810.44, 19,058.70 and 7,522.80

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Solution

The fourth proportional to 13,810.44, 19,058.70 and 7,522.80 is: 10,381.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.44 : 19,058.70 = 7,522.80 : x
  2. Step 2: Convert to fraction form
    13,810.44/19,058.70 = 7,522.80/x
  3. Step 3: Cross multiply
    13,810.44x = 19,058.70 × 7,522.80
  4. Step 4: Simplify right side
    13,810.44x = 143,374,788.36
  5. Step 5: Solve for x
    x = 143,374,788.36/13,810.44
  6. Step 6: Final answer
    x = 10,381.62

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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.