Home / 14,224.24-21,284.28-12,513.52

Finding the Fourth Proportional to 14,224.24, 21,284.28 and 12,513.52

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Solution

The fourth proportional to 14,224.24, 21,284.28 and 12,513.52 is: 18,724.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,224.24 : 21,284.28 = 12,513.52 : x
  2. Step 2: Convert to fraction form
    14,224.24/21,284.28 = 12,513.52/x
  3. Step 3: Cross multiply
    14,224.24x = 21,284.28 × 12,513.52
  4. Step 4: Simplify right side
    14,224.24x = 266,341,263.47
  5. Step 5: Solve for x
    x = 266,341,263.47/14,224.24
  6. Step 6: Final answer
    x = 18,724.46

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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.