Home / 15,637.96-21,577.62-8,922.52

Finding the Fourth Proportional to 15,637.96, 21,577.62 and 8,922.52

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Solution

The fourth proportional to 15,637.96, 21,577.62 and 8,922.52 is: 12,311.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,637.96 : 21,577.62 = 8,922.52 : x
  2. Step 2: Convert to fraction form
    15,637.96/21,577.62 = 8,922.52/x
  3. Step 3: Cross multiply
    15,637.96x = 21,577.62 × 8,922.52
  4. Step 4: Simplify right side
    15,637.96x = 192,526,746.00
  5. Step 5: Solve for x
    x = 192,526,746.00/15,637.96
  6. Step 6: Final answer
    x = 12,311.50

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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.