Home / 14,228.02-19,635.78-7,941.34

Finding the Fourth Proportional to 14,228.02, 19,635.78 and 7,941.34

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Solution

The fourth proportional to 14,228.02, 19,635.78 and 7,941.34 is: 10,959.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.02 : 19,635.78 = 7,941.34 : x
  2. Step 2: Convert to fraction form
    14,228.02/19,635.78 = 7,941.34/x
  3. Step 3: Cross multiply
    14,228.02x = 19,635.78 × 7,941.34
  4. Step 4: Simplify right side
    14,228.02x = 155,934,405.15
  5. Step 5: Solve for x
    x = 155,934,405.15/14,228.02
  6. Step 6: Final answer
    x = 10,959.67

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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.