Home / 19,006.80-28,512.90-6,527.40

Finding the Fourth Proportional to 19,006.80, 28,512.90 and 6,527.40

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Solution

The fourth proportional to 19,006.80, 28,512.90 and 6,527.40 is: 9,792.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.80 : 28,512.90 = 6,527.40 : x
  2. Step 2: Convert to fraction form
    19,006.80/28,512.90 = 6,527.40/x
  3. Step 3: Cross multiply
    19,006.80x = 28,512.90 × 6,527.40
  4. Step 4: Simplify right side
    19,006.80x = 186,115,103.46
  5. Step 5: Solve for x
    x = 186,115,103.46/19,006.80
  6. Step 6: Final answer
    x = 9,792.03

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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.