Home / 19,587.96-29,384.28-7,904.52

Finding the Fourth Proportional to 19,587.96, 29,384.28 and 7,904.52

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Solution

The fourth proportional to 19,587.96, 29,384.28 and 7,904.52 is: 11,857.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.96 : 29,384.28 = 7,904.52 : x
  2. Step 2: Convert to fraction form
    19,587.96/29,384.28 = 7,904.52/x
  3. Step 3: Cross multiply
    19,587.96x = 29,384.28 × 7,904.52
  4. Step 4: Simplify right side
    19,587.96x = 232,268,628.95
  5. Step 5: Solve for x
    x = 232,268,628.95/19,587.96
  6. Step 6: Final answer
    x = 11,857.72

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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.