Home / 19,000.52-28,436.70-13,563.88

Finding the Fourth Proportional to 19,000.52, 28,436.70 and 13,563.88

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Solution

The fourth proportional to 19,000.52, 28,436.70 and 13,563.88 is: 20,300.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.52 : 28,436.70 = 13,563.88 : x
  2. Step 2: Convert to fraction form
    19,000.52/28,436.70 = 13,563.88/x
  3. Step 3: Cross multiply
    19,000.52x = 28,436.70 × 13,563.88
  4. Step 4: Simplify right side
    19,000.52x = 385,711,986.40
  5. Step 5: Solve for x
    x = 385,711,986.40/19,000.52
  6. Step 6: Final answer
    x = 20,300.08

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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.