Home / 18,866.49-26,036.25-10,368.85

Finding the Fourth Proportional to 18,866.49, 26,036.25 and 10,368.85

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Solution

The fourth proportional to 18,866.49, 26,036.25 and 10,368.85 is: 14,309.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866.49 : 26,036.25 = 10,368.85 : x
  2. Step 2: Convert to fraction form
    18,866.49/26,036.25 = 10,368.85/x
  3. Step 3: Cross multiply
    18,866.49x = 26,036.25 × 10,368.85
  4. Step 4: Simplify right side
    18,866.49x = 269,965,970.81
  5. Step 5: Solve for x
    x = 269,965,970.81/18,866.49
  6. Step 6: Final answer
    x = 14,309.28

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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.