Home / 25,530.16-35,232.34-15,460.40

Finding the Fourth Proportional to 25,530.16, 35,232.34 and 15,460.40

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Solution

The fourth proportional to 25,530.16, 35,232.34 and 15,460.40 is: 21,335.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,530.16 : 35,232.34 = 15,460.40 : x
  2. Step 2: Convert to fraction form
    25,530.16/35,232.34 = 15,460.40/x
  3. Step 3: Cross multiply
    25,530.16x = 35,232.34 × 15,460.40
  4. Step 4: Simplify right side
    25,530.16x = 544,706,069.34
  5. Step 5: Solve for x
    x = 544,706,069.34/25,530.16
  6. Step 6: Final answer
    x = 21,335.79

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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.