Home / 27,263.69-37,621.02-15,162.21

Finding the Fourth Proportional to 27,263.69, 37,621.02 and 15,162.21

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Solution

The fourth proportional to 27,263.69, 37,621.02 and 15,162.21 is: 20,922.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,263.69 : 37,621.02 = 15,162.21 : x
  2. Step 2: Convert to fraction form
    27,263.69/37,621.02 = 15,162.21/x
  3. Step 3: Cross multiply
    27,263.69x = 37,621.02 × 15,162.21
  4. Step 4: Simplify right side
    27,263.69x = 570,417,729.84
  5. Step 5: Solve for x
    x = 570,417,729.84/27,263.69
  6. Step 6: Final answer
    x = 20,922.25

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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.