Home / 25,693.20-38,568.60-19,875.60

Finding the Fourth Proportional to 25,693.20, 38,568.60 and 19,875.60

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Solution

The fourth proportional to 25,693.20, 38,568.60 and 19,875.60 is: 29,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,693.20 : 38,568.60 = 19,875.60 : x
  2. Step 2: Convert to fraction form
    25,693.20/38,568.60 = 19,875.60/x
  3. Step 3: Cross multiply
    25,693.20x = 38,568.60 × 19,875.60
  4. Step 4: Simplify right side
    25,693.20x = 766,574,066.16
  5. Step 5: Solve for x
    x = 766,574,066.16/25,693.20
  6. Step 6: Final answer
    x = 29,835.68

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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.