Home / 18,547.02-27,820.80-10,225.44

Finding the Fourth Proportional to 18,547.02, 27,820.80 and 10,225.44

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Solution

The fourth proportional to 18,547.02, 27,820.80 and 10,225.44 is: 15,338.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,547.02 : 27,820.80 = 10,225.44 : x
  2. Step 2: Convert to fraction form
    18,547.02/27,820.80 = 10,225.44/x
  3. Step 3: Cross multiply
    18,547.02x = 27,820.80 × 10,225.44
  4. Step 4: Simplify right side
    18,547.02x = 284,479,921.15
  5. Step 5: Solve for x
    x = 284,479,921.15/18,547.02
  6. Step 6: Final answer
    x = 15,338.31

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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.