Home / 25,919.60-38,853.80-10,316.40

Finding the Fourth Proportional to 25,919.60, 38,853.80 and 10,316.40

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Solution

The fourth proportional to 25,919.60, 38,853.80 and 10,316.40 is: 15,464.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,919.60 : 38,853.80 = 10,316.40 : x
  2. Step 2: Convert to fraction form
    25,919.60/38,853.80 = 10,316.40/x
  3. Step 3: Cross multiply
    25,919.60x = 38,853.80 × 10,316.40
  4. Step 4: Simplify right side
    25,919.60x = 400,831,342.32
  5. Step 5: Solve for x
    x = 400,831,342.32/25,919.60
  6. Step 6: Final answer
    x = 15,464.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.