Home / 15,886.92-23,830.56-4,200.02

Finding the Fourth Proportional to 15,886.92, 23,830.56 and 4,200.02

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Solution

The fourth proportional to 15,886.92, 23,830.56 and 4,200.02 is: 6,300.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,886.92 : 23,830.56 = 4,200.02 : x
  2. Step 2: Convert to fraction form
    15,886.92/23,830.56 = 4,200.02/x
  3. Step 3: Cross multiply
    15,886.92x = 23,830.56 × 4,200.02
  4. Step 4: Simplify right side
    15,886.92x = 100,088,828.61
  5. Step 5: Solve for x
    x = 100,088,828.61/15,886.92
  6. Step 6: Final answer
    x = 6,300.08

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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.