Home / 14,009.32-21,013.16-6,215.52

Finding the Fourth Proportional to 14,009.32, 21,013.16 and 6,215.52

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Solution

The fourth proportional to 14,009.32, 21,013.16 and 6,215.52 is: 9,322.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.32 : 21,013.16 = 6,215.52 : x
  2. Step 2: Convert to fraction form
    14,009.32/21,013.16 = 6,215.52/x
  3. Step 3: Cross multiply
    14,009.32x = 21,013.16 × 6,215.52
  4. Step 4: Simplify right side
    14,009.32x = 130,607,716.24
  5. Step 5: Solve for x
    x = 130,607,716.24/14,009.32
  6. Step 6: Final answer
    x = 9,322.92

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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.