Home / 18,852.66-26,019.86-10,899.50

Finding the Fourth Proportional to 18,852.66, 26,019.86 and 10,899.50

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Solution

The fourth proportional to 18,852.66, 26,019.86 and 10,899.50 is: 15,043.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852.66 : 26,019.86 = 10,899.50 : x
  2. Step 2: Convert to fraction form
    18,852.66/26,019.86 = 10,899.50/x
  3. Step 3: Cross multiply
    18,852.66x = 26,019.86 × 10,899.50
  4. Step 4: Simplify right side
    18,852.66x = 283,603,279.47
  5. Step 5: Solve for x
    x = 283,603,279.47/18,852.66
  6. Step 6: Final answer
    x = 15,043.14

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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.