Home / 15,575.09-23,362.02-5,186.84

Finding the Fourth Proportional to 15,575.09, 23,362.02 and 5,186.84

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Solution

The fourth proportional to 15,575.09, 23,362.02 and 5,186.84 is: 7,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,575.09 : 23,362.02 = 5,186.84 : x
  2. Step 2: Convert to fraction form
    15,575.09/23,362.02 = 5,186.84/x
  3. Step 3: Cross multiply
    15,575.09x = 23,362.02 × 5,186.84
  4. Step 4: Simplify right side
    15,575.09x = 121,174,943.01
  5. Step 5: Solve for x
    x = 121,174,943.01/15,575.09
  6. Step 6: Final answer
    x = 7,780.05

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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.