Home / 25,220.28-34,802.61-13,887.62

Finding the Fourth Proportional to 25,220.28, 34,802.61 and 13,887.62

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Solution

The fourth proportional to 25,220.28, 34,802.61 and 13,887.62 is: 19,164.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,220.28 : 34,802.61 = 13,887.62 : x
  2. Step 2: Convert to fraction form
    25,220.28/34,802.61 = 13,887.62/x
  3. Step 3: Cross multiply
    25,220.28x = 34,802.61 × 13,887.62
  4. Step 4: Simplify right side
    25,220.28x = 483,325,405.22
  5. Step 5: Solve for x
    x = 483,325,405.22/25,220.28
  6. Step 6: Final answer
    x = 19,164.16

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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.