Home / 19,926.84-29,880.54-11,609.76

Finding the Fourth Proportional to 19,926.84, 29,880.54 and 11,609.76

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Solution

The fourth proportional to 19,926.84, 29,880.54 and 11,609.76 is: 17,408.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.84 : 29,880.54 = 11,609.76 : x
  2. Step 2: Convert to fraction form
    19,926.84/29,880.54 = 11,609.76/x
  3. Step 3: Cross multiply
    19,926.84x = 29,880.54 × 11,609.76
  4. Step 4: Simplify right side
    19,926.84x = 346,905,898.07
  5. Step 5: Solve for x
    x = 346,905,898.07/19,926.84
  6. Step 6: Final answer
    x = 17,408.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.