Home / 15,772.52-23,632.32-7,864.22

Finding the Fourth Proportional to 15,772.52, 23,632.32 and 7,864.22

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Solution

The fourth proportional to 15,772.52, 23,632.32 and 7,864.22 is: 11,783.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772.52 : 23,632.32 = 7,864.22 : x
  2. Step 2: Convert to fraction form
    15,772.52/23,632.32 = 7,864.22/x
  3. Step 3: Cross multiply
    15,772.52x = 23,632.32 × 7,864.22
  4. Step 4: Simplify right side
    15,772.52x = 185,849,763.59
  5. Step 5: Solve for x
    x = 185,849,763.59/15,772.52
  6. Step 6: Final answer
    x = 11,783.14

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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.