Home / 14,670.10-20,244.73-7,955.70

Finding the Fourth Proportional to 14,670.10, 20,244.73 and 7,955.70

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Solution

The fourth proportional to 14,670.10, 20,244.73 and 7,955.70 is: 10,978.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.10 : 20,244.73 = 7,955.70 : x
  2. Step 2: Convert to fraction form
    14,670.10/20,244.73 = 7,955.70/x
  3. Step 3: Cross multiply
    14,670.10x = 20,244.73 × 7,955.70
  4. Step 4: Simplify right side
    14,670.10x = 161,060,998.46
  5. Step 5: Solve for x
    x = 161,060,998.46/14,670.10
  6. Step 6: Final answer
    x = 10,978.86

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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.