Home / 19,085.57-28,550.59-15,975.17

Finding the Fourth Proportional to 19,085.57, 28,550.59 and 15,975.17

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Solution

The fourth proportional to 19,085.57, 28,550.59 and 15,975.17 is: 23,897.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,085.57 : 28,550.59 = 15,975.17 : x
  2. Step 2: Convert to fraction form
    19,085.57/28,550.59 = 15,975.17/x
  3. Step 3: Cross multiply
    19,085.57x = 28,550.59 × 15,975.17
  4. Step 4: Simplify right side
    19,085.57x = 456,100,346.16
  5. Step 5: Solve for x
    x = 456,100,346.16/19,085.57
  6. Step 6: Final answer
    x = 23,897.66

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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.