Home / 14,680.86-20,259.49-7,966.32

Finding the Fourth Proportional to 14,680.86, 20,259.49 and 7,966.32

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Solution

The fourth proportional to 14,680.86, 20,259.49 and 7,966.32 is: 10,993.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680.86 : 20,259.49 = 7,966.32 : x
  2. Step 2: Convert to fraction form
    14,680.86/20,259.49 = 7,966.32/x
  3. Step 3: Cross multiply
    14,680.86x = 20,259.49 × 7,966.32
  4. Step 4: Simplify right side
    14,680.86x = 161,393,509.81
  5. Step 5: Solve for x
    x = 161,393,509.81/14,680.86
  6. Step 6: Final answer
    x = 10,993.46

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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.