Home / 25,018.40-37,471.23-17,555.21

Finding the Fourth Proportional to 25,018.40, 37,471.23 and 17,555.21

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Solution

The fourth proportional to 25,018.40, 37,471.23 and 17,555.21 is: 26,293.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,018.40 : 37,471.23 = 17,555.21 : x
  2. Step 2: Convert to fraction form
    25,018.40/37,471.23 = 17,555.21/x
  3. Step 3: Cross multiply
    25,018.40x = 37,471.23 × 17,555.21
  4. Step 4: Simplify right side
    25,018.40x = 657,815,124.25
  5. Step 5: Solve for x
    x = 657,815,124.25/25,018.40
  6. Step 6: Final answer
    x = 26,293.26

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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.