Home / 25,539.04-38,290.08-17,198.40

Finding the Fourth Proportional to 25,539.04, 38,290.08 and 17,198.40

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Solution

The fourth proportional to 25,539.04, 38,290.08 and 17,198.40 is: 25,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,539.04 : 38,290.08 = 17,198.40 : x
  2. Step 2: Convert to fraction form
    25,539.04/38,290.08 = 17,198.40/x
  3. Step 3: Cross multiply
    25,539.04x = 38,290.08 × 17,198.40
  4. Step 4: Simplify right side
    25,539.04x = 658,528,111.87
  5. Step 5: Solve for x
    x = 658,528,111.87/25,539.04
  6. Step 6: Final answer
    x = 25,785.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.