Home / 13,941.50-19,233.18-7,970.99

Finding the Fourth Proportional to 13,941.50, 19,233.18 and 7,970.99

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Solution

The fourth proportional to 13,941.50, 19,233.18 and 7,970.99 is: 10,996.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.50 : 19,233.18 = 7,970.99 : x
  2. Step 2: Convert to fraction form
    13,941.50/19,233.18 = 7,970.99/x
  3. Step 3: Cross multiply
    13,941.50x = 19,233.18 × 7,970.99
  4. Step 4: Simplify right side
    13,941.50x = 153,307,389.28
  5. Step 5: Solve for x
    x = 153,307,389.28/13,941.50
  6. Step 6: Final answer
    x = 10,996.48

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Similar ratio
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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.