Home / 25,943.82-35,803.35-15,342.54

Finding the Fourth Proportional to 25,943.82, 35,803.35 and 15,342.54

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Solution

The fourth proportional to 25,943.82, 35,803.35 and 15,342.54 is: 21,173.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,943.82 : 35,803.35 = 15,342.54 : x
  2. Step 2: Convert to fraction form
    25,943.82/35,803.35 = 15,342.54/x
  3. Step 3: Cross multiply
    25,943.82x = 35,803.35 × 15,342.54
  4. Step 4: Simplify right side
    25,943.82x = 549,314,329.51
  5. Step 5: Solve for x
    x = 549,314,329.51/25,943.82
  6. Step 6: Final answer
    x = 21,173.22

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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.