Home / 25,223.04-37,820.16-7,687.68

Finding the Fourth Proportional to 25,223.04, 37,820.16 and 7,687.68

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Solution

The fourth proportional to 25,223.04, 37,820.16 and 7,687.68 is: 11,527.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,223.04 : 37,820.16 = 7,687.68 : x
  2. Step 2: Convert to fraction form
    25,223.04/37,820.16 = 7,687.68/x
  3. Step 3: Cross multiply
    25,223.04x = 37,820.16 × 7,687.68
  4. Step 4: Simplify right side
    25,223.04x = 290,749,287.63
  5. Step 5: Solve for x
    x = 290,749,287.63/25,223.04
  6. Step 6: Final answer
    x = 11,527.13

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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.