Home / 16,115.48-22,240.71-8,946.07

Finding the Fourth Proportional to 16,115.48, 22,240.71 and 8,946.07

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Solution

The fourth proportional to 16,115.48, 22,240.71 and 8,946.07 is: 12,346.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,115.48 : 22,240.71 = 8,946.07 : x
  2. Step 2: Convert to fraction form
    16,115.48/22,240.71 = 8,946.07/x
  3. Step 3: Cross multiply
    16,115.48x = 22,240.71 × 8,946.07
  4. Step 4: Simplify right side
    16,115.48x = 198,966,948.51
  5. Step 5: Solve for x
    x = 198,966,948.51/16,115.48
  6. Step 6: Final answer
    x = 12,346.32

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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.