Home / 25,353.36-34,985.28-14,742.84

Finding the Fourth Proportional to 25,353.36, 34,985.28 and 14,742.84

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Solution

The fourth proportional to 25,353.36, 34,985.28 and 14,742.84 is: 20,343.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,353.36 : 34,985.28 = 14,742.84 : x
  2. Step 2: Convert to fraction form
    25,353.36/34,985.28 = 14,742.84/x
  3. Step 3: Cross multiply
    25,353.36x = 34,985.28 × 14,742.84
  4. Step 4: Simplify right side
    25,353.36x = 515,782,385.40
  5. Step 5: Solve for x
    x = 515,782,385.40/25,353.36
  6. Step 6: Final answer
    x = 20,343.75

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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.