Home / 15,256.32-22,886.64-7,864.80

Finding the Fourth Proportional to 15,256.32, 22,886.64 and 7,864.80

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Solution

The fourth proportional to 15,256.32, 22,886.64 and 7,864.80 is: 11,798.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,256.32 : 22,886.64 = 7,864.80 : x
  2. Step 2: Convert to fraction form
    15,256.32/22,886.64 = 7,864.80/x
  3. Step 3: Cross multiply
    15,256.32x = 22,886.64 × 7,864.80
  4. Step 4: Simplify right side
    15,256.32x = 179,998,846.27
  5. Step 5: Solve for x
    x = 179,998,846.27/15,256.32
  6. Step 6: Final answer
    x = 11,798.31

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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.