Home / 13,957.47-20,940.75-6,562.67

Finding the Fourth Proportional to 13,957.47, 20,940.75 and 6,562.67

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Solution

The fourth proportional to 13,957.47, 20,940.75 and 6,562.67 is: 9,846.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.47 : 20,940.75 = 6,562.67 : x
  2. Step 2: Convert to fraction form
    13,957.47/20,940.75 = 6,562.67/x
  3. Step 3: Cross multiply
    13,957.47x = 20,940.75 × 6,562.67
  4. Step 4: Simplify right side
    13,957.47x = 137,427,127.10
  5. Step 5: Solve for x
    x = 137,427,127.10/13,957.47
  6. Step 6: Final answer
    x = 9,846.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.