Home / 25,530.36-35,232.72-15,460.68

Finding the Fourth Proportional to 25,530.36, 35,232.72 and 15,460.68

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Solution

The fourth proportional to 25,530.36, 35,232.72 and 15,460.68 is: 21,336.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,530.36 : 35,232.72 = 15,460.68 : x
  2. Step 2: Convert to fraction form
    25,530.36/35,232.72 = 15,460.68/x
  3. Step 3: Cross multiply
    25,530.36x = 35,232.72 × 15,460.68
  4. Step 4: Simplify right side
    25,530.36x = 544,721,809.45
  5. Step 5: Solve for x
    x = 544,721,809.45/25,530.36
  6. Step 6: Final answer
    x = 21,336.24

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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.