Home / 21,977.52-32,970.44-8,830.92

Finding the Fourth Proportional to 21,977.52, 32,970.44 and 8,830.92

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Solution

The fourth proportional to 21,977.52, 32,970.44 and 8,830.92 is: 13,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,977.52 : 32,970.44 = 8,830.92 : x
  2. Step 2: Convert to fraction form
    21,977.52/32,970.44 = 8,830.92/x
  3. Step 3: Cross multiply
    21,977.52x = 32,970.44 × 8,830.92
  4. Step 4: Simplify right side
    21,977.52x = 291,159,318.00
  5. Step 5: Solve for x
    x = 291,159,318.00/21,977.52
  6. Step 6: Final answer
    x = 13,248.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.