Home / 15,470.47-23,206.16-3,783.69

Finding the Fourth Proportional to 15,470.47, 23,206.16 and 3,783.69

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Solution

The fourth proportional to 15,470.47, 23,206.16 and 3,783.69 is: 5,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,470.47 : 23,206.16 = 3,783.69 : x
  2. Step 2: Convert to fraction form
    15,470.47/23,206.16 = 3,783.69/x
  3. Step 3: Cross multiply
    15,470.47x = 23,206.16 × 3,783.69
  4. Step 4: Simplify right side
    15,470.47x = 87,804,915.53
  5. Step 5: Solve for x
    x = 87,804,915.53/15,470.47
  6. Step 6: Final answer
    x = 5,675.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.