Home / 14,717.02-20,295.49-9,685.50

Finding the Fourth Proportional to 14,717.02, 20,295.49 and 9,685.50

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Solution

The fourth proportional to 14,717.02, 20,295.49 and 9,685.50 is: 13,356.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,717.02 : 20,295.49 = 9,685.50 : x
  2. Step 2: Convert to fraction form
    14,717.02/20,295.49 = 9,685.50/x
  3. Step 3: Cross multiply
    14,717.02x = 20,295.49 × 9,685.50
  4. Step 4: Simplify right side
    14,717.02x = 196,571,968.40
  5. Step 5: Solve for x
    x = 196,571,968.40/14,717.02
  6. Step 6: Final answer
    x = 13,356.78

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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.