Home / 25,111.43-37,620.54-17,980.95

Finding the Fourth Proportional to 25,111.43, 37,620.54 and 17,980.95

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Solution

The fourth proportional to 25,111.43, 37,620.54 and 17,980.95 is: 26,938.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,111.43 : 37,620.54 = 17,980.95 : x
  2. Step 2: Convert to fraction form
    25,111.43/37,620.54 = 17,980.95/x
  3. Step 3: Cross multiply
    25,111.43x = 37,620.54 × 17,980.95
  4. Step 4: Simplify right side
    25,111.43x = 676,453,048.71
  5. Step 5: Solve for x
    x = 676,453,048.71/25,111.43
  6. Step 6: Final answer
    x = 26,938.05

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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.