Home / 19,059.02-28,606.11-9,705.78

Finding the Fourth Proportional to 19,059.02, 28,606.11 and 9,705.78

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Solution

The fourth proportional to 19,059.02, 28,606.11 and 9,705.78 is: 14,567.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,059.02 : 28,606.11 = 9,705.78 : x
  2. Step 2: Convert to fraction form
    19,059.02/28,606.11 = 9,705.78/x
  3. Step 3: Cross multiply
    19,059.02x = 28,606.11 × 9,705.78
  4. Step 4: Simplify right side
    19,059.02x = 277,644,610.32
  5. Step 5: Solve for x
    x = 277,644,610.32/19,059.02
  6. Step 6: Final answer
    x = 14,567.62

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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.