Home / 14,670.43-20,244.63-7,955.94

Finding the Fourth Proportional to 14,670.43, 20,244.63 and 7,955.94

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Solution

The fourth proportional to 14,670.43, 20,244.63 and 7,955.94 is: 10,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.43 : 20,244.63 = 7,955.94 : x
  2. Step 2: Convert to fraction form
    14,670.43/20,244.63 = 7,955.94/x
  3. Step 3: Cross multiply
    14,670.43x = 20,244.63 × 7,955.94
  4. Step 4: Simplify right side
    14,670.43x = 161,065,061.60
  5. Step 5: Solve for x
    x = 161,065,061.60/14,670.43
  6. Step 6: Final answer
    x = 10,978.89

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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.