Home / 25,719.03-35,492.09-14,388.47

Finding the Fourth Proportional to 25,719.03, 35,492.09 and 14,388.47

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Solution

The fourth proportional to 25,719.03, 35,492.09 and 14,388.47 is: 19,855.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,719.03 : 35,492.09 = 14,388.47 : x
  2. Step 2: Convert to fraction form
    25,719.03/35,492.09 = 14,388.47/x
  3. Step 3: Cross multiply
    25,719.03x = 35,492.09 × 14,388.47
  4. Step 4: Simplify right side
    25,719.03x = 510,676,872.20
  5. Step 5: Solve for x
    x = 510,676,872.20/25,719.03
  6. Step 6: Final answer
    x = 19,855.99

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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.