Home / 15,483.99-21,376.78-10,194.19

Finding the Fourth Proportional to 15,483.99, 21,376.78 and 10,194.19

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Solution

The fourth proportional to 15,483.99, 21,376.78 and 10,194.19 is: 14,073.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,483.99 : 21,376.78 = 10,194.19 : x
  2. Step 2: Convert to fraction form
    15,483.99/21,376.78 = 10,194.19/x
  3. Step 3: Cross multiply
    15,483.99x = 21,376.78 × 10,194.19
  4. Step 4: Simplify right side
    15,483.99x = 217,918,877.98
  5. Step 5: Solve for x
    x = 217,918,877.98/15,483.99
  6. Step 6: Final answer
    x = 14,073.82

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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.