Home / 18,934.76-26,130.08-10,866.26

Finding the Fourth Proportional to 18,934.76, 26,130.08 and 10,866.26

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Solution

The fourth proportional to 18,934.76, 26,130.08 and 10,866.26 is: 14,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.76 : 26,130.08 = 10,866.26 : x
  2. Step 2: Convert to fraction form
    18,934.76/26,130.08 = 10,866.26/x
  3. Step 3: Cross multiply
    18,934.76x = 26,130.08 × 10,866.26
  4. Step 4: Simplify right side
    18,934.76x = 283,936,139.62
  5. Step 5: Solve for x
    x = 283,936,139.62/18,934.76
  6. Step 6: Final answer
    x = 14,995.50

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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.