Home / 25,720.69-35,480.26-14,964.36

Finding the Fourth Proportional to 25,720.69, 35,480.26 and 14,964.36

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Solution

The fourth proportional to 25,720.69, 35,480.26 and 14,964.36 is: 20,642.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,720.69 : 35,480.26 = 14,964.36 : x
  2. Step 2: Convert to fraction form
    25,720.69/35,480.26 = 14,964.36/x
  3. Step 3: Cross multiply
    25,720.69x = 35,480.26 × 14,964.36
  4. Step 4: Simplify right side
    25,720.69x = 530,939,383.53
  5. Step 5: Solve for x
    x = 530,939,383.53/25,720.69
  6. Step 6: Final answer
    x = 20,642.50

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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.