Home / 21,875.63-32,820.35-16,635.74

Finding the Fourth Proportional to 21,875.63, 32,820.35 and 16,635.74

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Solution

The fourth proportional to 21,875.63, 32,820.35 and 16,635.74 is: 24,958.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,875.63 : 32,820.35 = 16,635.74 : x
  2. Step 2: Convert to fraction form
    21,875.63/32,820.35 = 16,635.74/x
  3. Step 3: Cross multiply
    21,875.63x = 32,820.35 × 16,635.74
  4. Step 4: Simplify right side
    21,875.63x = 545,990,562.03
  5. Step 5: Solve for x
    x = 545,990,562.03/21,875.63
  6. Step 6: Final answer
    x = 24,958.86

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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.