Home / 15,601.13-21,529.51-8,527.55

Finding the Fourth Proportional to 15,601.13, 21,529.51 and 8,527.55

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Solution

The fourth proportional to 15,601.13, 21,529.51 and 8,527.55 is: 11,767.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.13 : 21,529.51 = 8,527.55 : x
  2. Step 2: Convert to fraction form
    15,601.13/21,529.51 = 8,527.55/x
  3. Step 3: Cross multiply
    15,601.13x = 21,529.51 × 8,527.55
  4. Step 4: Simplify right side
    15,601.13x = 183,593,973.00
  5. Step 5: Solve for x
    x = 183,593,973.00/15,601.13
  6. Step 6: Final answer
    x = 11,767.99

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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.