Home / 16,116.07-22,242.21-9,042.45

Finding the Fourth Proportional to 16,116.07, 22,242.21 and 9,042.45

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Solution

The fourth proportional to 16,116.07, 22,242.21 and 9,042.45 is: 12,479.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,116.07 : 22,242.21 = 9,042.45 : x
  2. Step 2: Convert to fraction form
    16,116.07/22,242.21 = 9,042.45/x
  3. Step 3: Cross multiply
    16,116.07x = 22,242.21 × 9,042.45
  4. Step 4: Simplify right side
    16,116.07x = 201,124,071.81
  5. Step 5: Solve for x
    x = 201,124,071.81/16,116.07
  6. Step 6: Final answer
    x = 12,479.72

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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.