Home / 25,113.60-37,670.40-6,645.60

Finding the Fourth Proportional to 25,113.60, 37,670.40 and 6,645.60

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Solution

The fourth proportional to 25,113.60, 37,670.40 and 6,645.60 is: 9,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,113.60 : 37,670.40 = 6,645.60 : x
  2. Step 2: Convert to fraction form
    25,113.60/37,670.40 = 6,645.60/x
  3. Step 3: Cross multiply
    25,113.60x = 37,670.40 × 6,645.60
  4. Step 4: Simplify right side
    25,113.60x = 250,342,410.24
  5. Step 5: Solve for x
    x = 250,342,410.24/25,113.60
  6. Step 6: Final answer
    x = 9,968.40

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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.