Home / 14,375.92-19,838.64-8,088.40

Finding the Fourth Proportional to 14,375.92, 19,838.64 and 8,088.40

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Solution

The fourth proportional to 14,375.92, 19,838.64 and 8,088.40 is: 11,161.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,375.92 : 19,838.64 = 8,088.40 : x
  2. Step 2: Convert to fraction form
    14,375.92/19,838.64 = 8,088.40/x
  3. Step 3: Cross multiply
    14,375.92x = 19,838.64 × 8,088.40
  4. Step 4: Simplify right side
    14,375.92x = 160,462,855.78
  5. Step 5: Solve for x
    x = 160,462,855.78/14,375.92
  6. Step 6: Final answer
    x = 11,161.92

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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.