Home / 15,951.84-22,004.12-10,913.52

Finding the Fourth Proportional to 15,951.84, 22,004.12 and 10,913.52

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Solution

The fourth proportional to 15,951.84, 22,004.12 and 10,913.52 is: 15,054.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951.84 : 22,004.12 = 10,913.52 : x
  2. Step 2: Convert to fraction form
    15,951.84/22,004.12 = 10,913.52/x
  3. Step 3: Cross multiply
    15,951.84x = 22,004.12 × 10,913.52
  4. Step 4: Simplify right side
    15,951.84x = 240,142,403.70
  5. Step 5: Solve for x
    x = 240,142,403.70/15,951.84
  6. Step 6: Final answer
    x = 15,054.21

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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.