Home / 17,955.71-24,777.80-10,401.56

Finding the Fourth Proportional to 17,955.71, 24,777.80 and 10,401.56

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Solution

The fourth proportional to 17,955.71, 24,777.80 and 10,401.56 is: 14,353.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,955.71 : 24,777.80 = 10,401.56 : x
  2. Step 2: Convert to fraction form
    17,955.71/24,777.80 = 10,401.56/x
  3. Step 3: Cross multiply
    17,955.71x = 24,777.80 × 10,401.56
  4. Step 4: Simplify right side
    17,955.71x = 257,727,649.48
  5. Step 5: Solve for x
    x = 257,727,649.48/17,955.71
  6. Step 6: Final answer
    x = 14,353.52

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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.