Home / 19,254.20-28,905.60-10,376.60

Finding the Fourth Proportional to 19,254.20, 28,905.60 and 10,376.60

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Solution

The fourth proportional to 19,254.20, 28,905.60 and 10,376.60 is: 15,578.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,254.20 : 28,905.60 = 10,376.60 : x
  2. Step 2: Convert to fraction form
    19,254.20/28,905.60 = 10,376.60/x
  3. Step 3: Cross multiply
    19,254.20x = 28,905.60 × 10,376.60
  4. Step 4: Simplify right side
    19,254.20x = 299,941,848.96
  5. Step 5: Solve for x
    x = 299,941,848.96/19,254.20
  6. Step 6: Final answer
    x = 15,578.00

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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.