Home / 14,595.45-21,860.79-11,916.71

Finding the Fourth Proportional to 14,595.45, 21,860.79 and 11,916.71

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Solution

The fourth proportional to 14,595.45, 21,860.79 and 11,916.71 is: 17,848.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,595.45 : 21,860.79 = 11,916.71 : x
  2. Step 2: Convert to fraction form
    14,595.45/21,860.79 = 11,916.71/x
  3. Step 3: Cross multiply
    14,595.45x = 21,860.79 × 11,916.71
  4. Step 4: Simplify right side
    14,595.45x = 260,508,585.50
  5. Step 5: Solve for x
    x = 260,508,585.50/14,595.45
  6. Step 6: Final answer
    x = 17,848.62

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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.