Home / 25,315.16-37,972.73-9,721.85

Finding the Fourth Proportional to 25,315.16, 37,972.73 and 9,721.85

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Solution

The fourth proportional to 25,315.16, 37,972.73 and 9,721.85 is: 14,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,315.16 : 37,972.73 = 9,721.85 : x
  2. Step 2: Convert to fraction form
    25,315.16/37,972.73 = 9,721.85/x
  3. Step 3: Cross multiply
    25,315.16x = 37,972.73 × 9,721.85
  4. Step 4: Simplify right side
    25,315.16x = 369,165,019.59
  5. Step 5: Solve for x
    x = 369,165,019.59/25,315.16
  6. Step 6: Final answer
    x = 14,582.77

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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.