Home / 19,956.40-27,541.68-11,459.63

Finding the Fourth Proportional to 19,956.40, 27,541.68 and 11,459.63

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Solution

The fourth proportional to 19,956.40, 27,541.68 and 11,459.63 is: 15,815.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.40 : 27,541.68 = 11,459.63 : x
  2. Step 2: Convert to fraction form
    19,956.40/27,541.68 = 11,459.63/x
  3. Step 3: Cross multiply
    19,956.40x = 27,541.68 × 11,459.63
  4. Step 4: Simplify right side
    19,956.40x = 315,617,488.26
  5. Step 5: Solve for x
    x = 315,617,488.26/19,956.40
  6. Step 6: Final answer
    x = 15,815.35

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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.