Home / 16,395.12-22,619.16-9,316.08

Finding the Fourth Proportional to 16,395.12, 22,619.16 and 9,316.08

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Solution

The fourth proportional to 16,395.12, 22,619.16 and 9,316.08 is: 12,852.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,395.12 : 22,619.16 = 9,316.08 : x
  2. Step 2: Convert to fraction form
    16,395.12/22,619.16 = 9,316.08/x
  3. Step 3: Cross multiply
    16,395.12x = 22,619.16 × 9,316.08
  4. Step 4: Simplify right side
    16,395.12x = 210,721,904.09
  5. Step 5: Solve for x
    x = 210,721,904.09/16,395.12
  6. Step 6: Final answer
    x = 12,852.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.