Home / 19,018.68-28,504.98-9,756.60

Finding the Fourth Proportional to 19,018.68, 28,504.98 and 9,756.60

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Solution

The fourth proportional to 19,018.68, 28,504.98 and 9,756.60 is: 14,623.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.68 : 28,504.98 = 9,756.60 : x
  2. Step 2: Convert to fraction form
    19,018.68/28,504.98 = 9,756.60/x
  3. Step 3: Cross multiply
    19,018.68x = 28,504.98 × 9,756.60
  4. Step 4: Simplify right side
    19,018.68x = 278,111,687.87
  5. Step 5: Solve for x
    x = 278,111,687.87/19,018.68
  6. Step 6: Final answer
    x = 14,623.08

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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.