Home / 25,483.89-35,168.21-13,999.29

Finding the Fourth Proportional to 25,483.89, 35,168.21 and 13,999.29

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Solution

The fourth proportional to 25,483.89, 35,168.21 and 13,999.29 is: 19,319.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,483.89 : 35,168.21 = 13,999.29 : x
  2. Step 2: Convert to fraction form
    25,483.89/35,168.21 = 13,999.29/x
  3. Step 3: Cross multiply
    25,483.89x = 35,168.21 × 13,999.29
  4. Step 4: Simplify right side
    25,483.89x = 492,329,816.39
  5. Step 5: Solve for x
    x = 492,329,816.39/25,483.89
  6. Step 6: Final answer
    x = 19,319.25

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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.