Home / 15,606.13-21,536.46-8,532.61

Finding the Fourth Proportional to 15,606.13, 21,536.46 and 8,532.61

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Solution

The fourth proportional to 15,606.13, 21,536.46 and 8,532.61 is: 11,775.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606.13 : 21,536.46 = 8,532.61 : x
  2. Step 2: Convert to fraction form
    15,606.13/21,536.46 = 8,532.61/x
  3. Step 3: Cross multiply
    15,606.13x = 21,536.46 × 8,532.61
  4. Step 4: Simplify right side
    15,606.13x = 183,762,106.28
  5. Step 5: Solve for x
    x = 183,762,106.28/15,606.13
  6. Step 6: Final answer
    x = 11,775.00

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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.