Home / 18,845.51-28,263.69-5,698.94

Finding the Fourth Proportional to 18,845.51, 28,263.69 and 5,698.94

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Solution

The fourth proportional to 18,845.51, 28,263.69 and 5,698.94 is: 8,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845.51 : 28,263.69 = 5,698.94 : x
  2. Step 2: Convert to fraction form
    18,845.51/28,263.69 = 5,698.94/x
  3. Step 3: Cross multiply
    18,845.51x = 28,263.69 × 5,698.94
  4. Step 4: Simplify right side
    18,845.51x = 161,072,932.17
  5. Step 5: Solve for x
    x = 161,072,932.17/18,845.51
  6. Step 6: Final answer
    x = 8,547.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.