Home / 30,140.88-41,592.98-16,528.63

Finding the Fourth Proportional to 30,140.88, 41,592.98 and 16,528.63

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Solution

The fourth proportional to 30,140.88, 41,592.98 and 16,528.63 is: 22,808.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,140.88 : 41,592.98 = 16,528.63 : x
  2. Step 2: Convert to fraction form
    30,140.88/41,592.98 = 16,528.63/x
  3. Step 3: Cross multiply
    30,140.88x = 41,592.98 × 16,528.63
  4. Step 4: Simplify right side
    30,140.88x = 687,475,086.08
  5. Step 5: Solve for x
    x = 687,475,086.08/30,140.88
  6. Step 6: Final answer
    x = 22,808.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.