Home / 19,869.02-29,801.16-6,538.70

Finding the Fourth Proportional to 19,869.02, 29,801.16 and 6,538.70

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Solution

The fourth proportional to 19,869.02, 29,801.16 and 6,538.70 is: 9,807.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869.02 : 29,801.16 = 6,538.70 : x
  2. Step 2: Convert to fraction form
    19,869.02/29,801.16 = 6,538.70/x
  3. Step 3: Cross multiply
    19,869.02x = 29,801.16 × 6,538.70
  4. Step 4: Simplify right side
    19,869.02x = 194,860,844.89
  5. Step 5: Solve for x
    x = 194,860,844.89/19,869.02
  6. Step 6: Final answer
    x = 9,807.27

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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.