Home / 25,448.04-38,172.12-6,980.04

Finding the Fourth Proportional to 25,448.04, 38,172.12 and 6,980.04

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Solution

The fourth proportional to 25,448.04, 38,172.12 and 6,980.04 is: 10,470.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,448.04 : 38,172.12 = 6,980.04 : x
  2. Step 2: Convert to fraction form
    25,448.04/38,172.12 = 6,980.04/x
  3. Step 3: Cross multiply
    25,448.04x = 38,172.12 × 6,980.04
  4. Step 4: Simplify right side
    25,448.04x = 266,442,924.48
  5. Step 5: Solve for x
    x = 266,442,924.48/25,448.04
  6. Step 6: Final answer
    x = 10,470.08

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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.