Home / 27,643.03-38,143.53-16,313.00

Finding the Fourth Proportional to 27,643.03, 38,143.53 and 16,313.00

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Solution

The fourth proportional to 27,643.03, 38,143.53 and 16,313.00 is: 22,509.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,643.03 : 38,143.53 = 16,313.00 : x
  2. Step 2: Convert to fraction form
    27,643.03/38,143.53 = 16,313.00/x
  3. Step 3: Cross multiply
    27,643.03x = 38,143.53 × 16,313.00
  4. Step 4: Simplify right side
    27,643.03x = 622,235,214.17
  5. Step 5: Solve for x
    x = 622,235,214.17/27,643.03
  6. Step 6: Final answer
    x = 22,509.66

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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.