Home / 15,680.59-21,646.04-10,022.74

Finding the Fourth Proportional to 15,680.59, 21,646.04 and 10,022.74

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Solution

The fourth proportional to 15,680.59, 21,646.04 and 10,022.74 is: 13,835.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,680.59 : 21,646.04 = 10,022.74 : x
  2. Step 2: Convert to fraction form
    15,680.59/21,646.04 = 10,022.74/x
  3. Step 3: Cross multiply
    15,680.59x = 21,646.04 × 10,022.74
  4. Step 4: Simplify right side
    15,680.59x = 216,952,526.72
  5. Step 5: Solve for x
    x = 216,952,526.72/15,680.59
  6. Step 6: Final answer
    x = 13,835.74

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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.