Home / 21,784.08-32,681.58-6,994.48

Finding the Fourth Proportional to 21,784.08, 32,681.58 and 6,994.48

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Solution

The fourth proportional to 21,784.08, 32,681.58 and 6,994.48 is: 10,493.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,784.08 : 32,681.58 = 6,994.48 : x
  2. Step 2: Convert to fraction form
    21,784.08/32,681.58 = 6,994.48/x
  3. Step 3: Cross multiply
    21,784.08x = 32,681.58 × 6,994.48
  4. Step 4: Simplify right side
    21,784.08x = 228,590,657.68
  5. Step 5: Solve for x
    x = 228,590,657.68/21,784.08
  6. Step 6: Final answer
    x = 10,493.47

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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.