Home / 15,567.36-21,483.44-8,494.16

Finding the Fourth Proportional to 15,567.36, 21,483.44 and 8,494.16

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Solution

The fourth proportional to 15,567.36, 21,483.44 and 8,494.16 is: 11,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,567.36 : 21,483.44 = 8,494.16 : x
  2. Step 2: Convert to fraction form
    15,567.36/21,483.44 = 8,494.16/x
  3. Step 3: Cross multiply
    15,567.36x = 21,483.44 × 8,494.16
  4. Step 4: Simplify right side
    15,567.36x = 182,483,776.71
  5. Step 5: Solve for x
    x = 182,483,776.71/15,567.36
  6. Step 6: Final answer
    x = 11,722.20

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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.