Home / 25,416.48-35,044.24-21,873.60

Finding the Fourth Proportional to 25,416.48, 35,044.24 and 21,873.60

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Solution

The fourth proportional to 25,416.48, 35,044.24 and 21,873.60 is: 30,159.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,416.48 : 35,044.24 = 21,873.60 : x
  2. Step 2: Convert to fraction form
    25,416.48/35,044.24 = 21,873.60/x
  3. Step 3: Cross multiply
    25,416.48x = 35,044.24 × 21,873.60
  4. Step 4: Simplify right side
    25,416.48x = 766,543,688.06
  5. Step 5: Solve for x
    x = 766,543,688.06/25,416.48
  6. Step 6: Final answer
    x = 30,159.32

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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.