Home / 15,956.34-22,021.74-9,668.76

Finding the Fourth Proportional to 15,956.34, 22,021.74 and 9,668.76

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Solution

The fourth proportional to 15,956.34, 22,021.74 and 9,668.76 is: 13,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,956.34 : 22,021.74 = 9,668.76 : x
  2. Step 2: Convert to fraction form
    15,956.34/22,021.74 = 9,668.76/x
  3. Step 3: Cross multiply
    15,956.34x = 22,021.74 × 9,668.76
  4. Step 4: Simplify right side
    15,956.34x = 212,922,918.84
  5. Step 5: Solve for x
    x = 212,922,918.84/15,956.34
  6. Step 6: Final answer
    x = 13,344.10

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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.