Home / 14,386.36-21,566.84-5,615.14

Finding the Fourth Proportional to 14,386.36, 21,566.84 and 5,615.14

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Solution

The fourth proportional to 14,386.36, 21,566.84 and 5,615.14 is: 8,417.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386.36 : 21,566.84 = 5,615.14 : x
  2. Step 2: Convert to fraction form
    14,386.36/21,566.84 = 5,615.14/x
  3. Step 3: Cross multiply
    14,386.36x = 21,566.84 × 5,615.14
  4. Step 4: Simplify right side
    14,386.36x = 121,100,825.96
  5. Step 5: Solve for x
    x = 121,100,825.96/14,386.36
  6. Step 6: Final answer
    x = 8,417.75

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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.