Home / 14,284.72-19,750.53-12,511.23

Finding the Fourth Proportional to 14,284.72, 19,750.53 and 12,511.23

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Solution

The fourth proportional to 14,284.72, 19,750.53 and 12,511.23 is: 17,298.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,284.72 : 19,750.53 = 12,511.23 : x
  2. Step 2: Convert to fraction form
    14,284.72/19,750.53 = 12,511.23/x
  3. Step 3: Cross multiply
    14,284.72x = 19,750.53 × 12,511.23
  4. Step 4: Simplify right side
    14,284.72x = 247,103,483.78
  5. Step 5: Solve for x
    x = 247,103,483.78/14,284.72
  6. Step 6: Final answer
    x = 17,298.45

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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.