Home / 14,772.79-20,393.34-9,470.63

Finding the Fourth Proportional to 14,772.79, 20,393.34 and 9,470.63

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Solution

The fourth proportional to 14,772.79, 20,393.34 and 9,470.63 is: 13,073.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.79 : 20,393.34 = 9,470.63 : x
  2. Step 2: Convert to fraction form
    14,772.79/20,393.34 = 9,470.63/x
  3. Step 3: Cross multiply
    14,772.79x = 20,393.34 × 9,470.63
  4. Step 4: Simplify right side
    14,772.79x = 193,137,828.59
  5. Step 5: Solve for x
    x = 193,137,828.59/14,772.79
  6. Step 6: Final answer
    x = 13,073.89

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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.