Home / 13,701.54-18,908.21-7,733.46

Finding the Fourth Proportional to 13,701.54, 18,908.21 and 7,733.46

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Solution

The fourth proportional to 13,701.54, 18,908.21 and 7,733.46 is: 10,672.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.54 : 18,908.21 = 7,733.46 : x
  2. Step 2: Convert to fraction form
    13,701.54/18,908.21 = 7,733.46/x
  3. Step 3: Cross multiply
    13,701.54x = 18,908.21 × 7,733.46
  4. Step 4: Simplify right side
    13,701.54x = 146,225,885.71
  5. Step 5: Solve for x
    x = 146,225,885.71/13,701.54
  6. Step 6: Final answer
    x = 10,672.22

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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.