Home / 15,342.74-22,999.52-9,780.47

Finding the Fourth Proportional to 15,342.74, 22,999.52 and 9,780.47

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Solution

The fourth proportional to 15,342.74, 22,999.52 and 9,780.47 is: 14,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342.74 : 22,999.52 = 9,780.47 : x
  2. Step 2: Convert to fraction form
    15,342.74/22,999.52 = 9,780.47/x
  3. Step 3: Cross multiply
    15,342.74x = 22,999.52 × 9,780.47
  4. Step 4: Simplify right side
    15,342.74x = 224,946,115.37
  5. Step 5: Solve for x
    x = 224,946,115.37/15,342.74
  6. Step 6: Final answer
    x = 14,661.40

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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.