Home / 25,679.21-35,434.58-14,349.15

Finding the Fourth Proportional to 25,679.21, 35,434.58 and 14,349.15

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Solution

The fourth proportional to 25,679.21, 35,434.58 and 14,349.15 is: 19,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,679.21 : 35,434.58 = 14,349.15 : x
  2. Step 2: Convert to fraction form
    25,679.21/35,434.58 = 14,349.15/x
  3. Step 3: Cross multiply
    25,679.21x = 35,434.58 × 14,349.15
  4. Step 4: Simplify right side
    25,679.21x = 508,456,031.86
  5. Step 5: Solve for x
    x = 508,456,031.86/25,679.21
  6. Step 6: Final answer
    x = 19,800.30

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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.