Home / 14,684.83-20,265.21-7,970.52

Finding the Fourth Proportional to 14,684.83, 20,265.21 and 7,970.52

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Solution

The fourth proportional to 14,684.83, 20,265.21 and 7,970.52 is: 10,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,684.83 : 20,265.21 = 7,970.52 : x
  2. Step 2: Convert to fraction form
    14,684.83/20,265.21 = 7,970.52/x
  3. Step 3: Cross multiply
    14,684.83x = 20,265.21 × 7,970.52
  4. Step 4: Simplify right side
    14,684.83x = 161,524,261.61
  5. Step 5: Solve for x
    x = 161,524,261.61/14,684.83
  6. Step 6: Final answer
    x = 10,999.40

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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.