Home / 19,047.12-28,409.60-17,949.52

Finding the Fourth Proportional to 19,047.12, 28,409.60 and 17,949.52

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Solution

The fourth proportional to 19,047.12, 28,409.60 and 17,949.52 is: 26,772.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,047.12 : 28,409.60 = 17,949.52 : x
  2. Step 2: Convert to fraction form
    19,047.12/28,409.60 = 17,949.52/x
  3. Step 3: Cross multiply
    19,047.12x = 28,409.60 × 17,949.52
  4. Step 4: Simplify right side
    19,047.12x = 509,938,683.39
  5. Step 5: Solve for x
    x = 509,938,683.39/19,047.12
  6. Step 6: Final answer
    x = 26,772.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.