Home / 14,259.36-21,366.48-10,345.44

Finding the Fourth Proportional to 14,259.36, 21,366.48 and 10,345.44

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Solution

The fourth proportional to 14,259.36, 21,366.48 and 10,345.44 is: 15,501.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.36 : 21,366.48 = 10,345.44 : x
  2. Step 2: Convert to fraction form
    14,259.36/21,366.48 = 10,345.44/x
  3. Step 3: Cross multiply
    14,259.36x = 21,366.48 × 10,345.44
  4. Step 4: Simplify right side
    14,259.36x = 221,045,636.85
  5. Step 5: Solve for x
    x = 221,045,636.85/14,259.36
  6. Step 6: Final answer
    x = 15,501.79

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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.