Home / 19,001.84-28,504.20-6,521.77

Finding the Fourth Proportional to 19,001.84, 28,504.20 and 6,521.77

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Solution

The fourth proportional to 19,001.84, 28,504.20 and 6,521.77 is: 9,783.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.84 : 28,504.20 = 6,521.77 : x
  2. Step 2: Convert to fraction form
    19,001.84/28,504.20 = 6,521.77/x
  3. Step 3: Cross multiply
    19,001.84x = 28,504.20 × 6,521.77
  4. Step 4: Simplify right side
    19,001.84x = 185,897,736.18
  5. Step 5: Solve for x
    x = 185,897,736.18/19,001.84
  6. Step 6: Final answer
    x = 9,783.14

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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.