Home / 15,656.84-21,606.28-8,583.23

Finding the Fourth Proportional to 15,656.84, 21,606.28 and 8,583.23

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Solution

The fourth proportional to 15,656.84, 21,606.28 and 8,583.23 is: 11,844.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,656.84 : 21,606.28 = 8,583.23 : x
  2. Step 2: Convert to fraction form
    15,656.84/21,606.28 = 8,583.23/x
  3. Step 3: Cross multiply
    15,656.84x = 21,606.28 × 8,583.23
  4. Step 4: Simplify right side
    15,656.84x = 185,451,541.19
  5. Step 5: Solve for x
    x = 185,451,541.19/15,656.84
  6. Step 6: Final answer
    x = 11,844.76

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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.