Home / 25,567.28-35,275.74-15,355.60

Finding the Fourth Proportional to 25,567.28, 35,275.74 and 15,355.60

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Solution

The fourth proportional to 25,567.28, 35,275.74 and 15,355.60 is: 21,186.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,567.28 : 35,275.74 = 15,355.60 : x
  2. Step 2: Convert to fraction form
    25,567.28/35,275.74 = 15,355.60/x
  3. Step 3: Cross multiply
    25,567.28x = 35,275.74 × 15,355.60
  4. Step 4: Simplify right side
    25,567.28x = 541,680,153.14
  5. Step 5: Solve for x
    x = 541,680,153.14/25,567.28
  6. Step 6: Final answer
    x = 21,186.46

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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.