Home / 25,485.63-35,172.39-14,157.33

Finding the Fourth Proportional to 25,485.63, 35,172.39 and 14,157.33

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Solution

The fourth proportional to 25,485.63, 35,172.39 and 14,157.33 is: 19,538.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,485.63 : 35,172.39 = 14,157.33 : x
  2. Step 2: Convert to fraction form
    25,485.63/35,172.39 = 14,157.33/x
  3. Step 3: Cross multiply
    25,485.63x = 35,172.39 × 14,157.33
  4. Step 4: Simplify right side
    25,485.63x = 497,947,132.12
  5. Step 5: Solve for x
    x = 497,947,132.12/25,485.63
  6. Step 6: Final answer
    x = 19,538.35

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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.