Home / 25,804.80-35,607.60-15,197.04

Finding the Fourth Proportional to 25,804.80, 35,607.60 and 15,197.04

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Solution

The fourth proportional to 25,804.80, 35,607.60 and 15,197.04 is: 20,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,804.80 : 35,607.60 = 15,197.04 : x
  2. Step 2: Convert to fraction form
    25,804.80/35,607.60 = 15,197.04/x
  3. Step 3: Cross multiply
    25,804.80x = 35,607.60 × 15,197.04
  4. Step 4: Simplify right side
    25,804.80x = 541,130,121.50
  5. Step 5: Solve for x
    x = 541,130,121.50/25,804.80
  6. Step 6: Final answer
    x = 20,970.13

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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.