Home / 27,300.15-37,674.77-15,363.45

Finding the Fourth Proportional to 27,300.15, 37,674.77 and 15,363.45

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Solution

The fourth proportional to 27,300.15, 37,674.77 and 15,363.45 is: 21,201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,300.15 : 37,674.77 = 15,363.45 : x
  2. Step 2: Convert to fraction form
    27,300.15/37,674.77 = 15,363.45/x
  3. Step 3: Cross multiply
    27,300.15x = 37,674.77 × 15,363.45
  4. Step 4: Simplify right side
    27,300.15x = 578,814,368.34
  5. Step 5: Solve for x
    x = 578,814,368.34/27,300.15
  6. Step 6: Final answer
    x = 21,201.88

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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.