Home / 16,386.19-22,607.60-9,669.55

Finding the Fourth Proportional to 16,386.19, 22,607.60 and 9,669.55

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Solution

The fourth proportional to 16,386.19, 22,607.60 and 9,669.55 is: 13,340.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,386.19 : 22,607.60 = 9,669.55 : x
  2. Step 2: Convert to fraction form
    16,386.19/22,607.60 = 9,669.55/x
  3. Step 3: Cross multiply
    16,386.19x = 22,607.60 × 9,669.55
  4. Step 4: Simplify right side
    16,386.19x = 218,605,270.23
  5. Step 5: Solve for x
    x = 218,605,270.23/16,386.19
  6. Step 6: Final answer
    x = 13,340.82

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Double scale
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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.