Home / 15,568.02-21,483.81-8,494.56

Finding the Fourth Proportional to 15,568.02, 21,483.81 and 8,494.56

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Solution

The fourth proportional to 15,568.02, 21,483.81 and 8,494.56 is: 11,722.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568.02 : 21,483.81 = 8,494.56 : x
  2. Step 2: Convert to fraction form
    15,568.02/21,483.81 = 8,494.56/x
  3. Step 3: Cross multiply
    15,568.02x = 21,483.81 × 8,494.56
  4. Step 4: Simplify right side
    15,568.02x = 182,495,513.07
  5. Step 5: Solve for x
    x = 182,495,513.07/15,568.02
  6. Step 6: Final answer
    x = 11,722.46

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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.