Home / 21,823.74-32,740.65-6,830.01

Finding the Fourth Proportional to 21,823.74, 32,740.65 and 6,830.01

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Solution

The fourth proportional to 21,823.74, 32,740.65 and 6,830.01 is: 10,246.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,823.74 : 32,740.65 = 6,830.01 : x
  2. Step 2: Convert to fraction form
    21,823.74/32,740.65 = 6,830.01/x
  3. Step 3: Cross multiply
    21,823.74x = 32,740.65 × 6,830.01
  4. Step 4: Simplify right side
    21,823.74x = 223,618,966.91
  5. Step 5: Solve for x
    x = 223,618,966.91/21,823.74
  6. Step 6: Final answer
    x = 10,246.59

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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.