Home / 19,530.70-26,956.56-12,733.22

Finding the Fourth Proportional to 19,530.70, 26,956.56 and 12,733.22

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Solution

The fourth proportional to 19,530.70, 26,956.56 and 12,733.22 is: 17,574.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.70 : 26,956.56 = 12,733.22 : x
  2. Step 2: Convert to fraction form
    19,530.70/26,956.56 = 12,733.22/x
  3. Step 3: Cross multiply
    19,530.70x = 26,956.56 × 12,733.22
  4. Step 4: Simplify right side
    19,530.70x = 343,243,808.92
  5. Step 5: Solve for x
    x = 343,243,808.92/19,530.70
  6. Step 6: Final answer
    x = 17,574.58

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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.