Home / 19,025.10-26,200.59-18,618.06

Finding the Fourth Proportional to 19,025.10, 26,200.59 and 18,618.06

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Solution

The fourth proportional to 19,025.10, 26,200.59 and 18,618.06 is: 25,640.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,025.10 : 26,200.59 = 18,618.06 : x
  2. Step 2: Convert to fraction form
    19,025.10/26,200.59 = 18,618.06/x
  3. Step 3: Cross multiply
    19,025.10x = 26,200.59 × 18,618.06
  4. Step 4: Simplify right side
    19,025.10x = 487,804,156.66
  5. Step 5: Solve for x
    x = 487,804,156.66/19,025.10
  6. Step 6: Final answer
    x = 25,640.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.