Home / 16,916.16-25,342.72-14,160.64

Finding the Fourth Proportional to 16,916.16, 25,342.72 and 14,160.64

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Solution

The fourth proportional to 16,916.16, 25,342.72 and 14,160.64 is: 21,214.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,916.16 : 25,342.72 = 14,160.64 : x
  2. Step 2: Convert to fraction form
    16,916.16/25,342.72 = 14,160.64/x
  3. Step 3: Cross multiply
    16,916.16x = 25,342.72 × 14,160.64
  4. Step 4: Simplify right side
    16,916.16x = 358,869,134.54
  5. Step 5: Solve for x
    x = 358,869,134.54/16,916.16
  6. Step 6: Final answer
    x = 21,214.57

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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.