Home / 25,644.78-35,388.36-14,315.01

Finding the Fourth Proportional to 25,644.78, 35,388.36 and 14,315.01

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Solution

The fourth proportional to 25,644.78, 35,388.36 and 14,315.01 is: 19,753.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,644.78 : 35,388.36 = 14,315.01 : x
  2. Step 2: Convert to fraction form
    25,644.78/35,388.36 = 14,315.01/x
  3. Step 3: Cross multiply
    25,644.78x = 35,388.36 × 14,315.01
  4. Step 4: Simplify right side
    25,644.78x = 506,584,727.28
  5. Step 5: Solve for x
    x = 506,584,727.28/25,644.78
  6. Step 6: Final answer
    x = 19,753.91

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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.