Home / 13,582.98-20,374.53-4,818.15

Finding the Fourth Proportional to 13,582.98, 20,374.53 and 4,818.15

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Solution

The fourth proportional to 13,582.98, 20,374.53 and 4,818.15 is: 7,227.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.98 : 20,374.53 = 4,818.15 : x
  2. Step 2: Convert to fraction form
    13,582.98/20,374.53 = 4,818.15/x
  3. Step 3: Cross multiply
    13,582.98x = 20,374.53 × 4,818.15
  4. Step 4: Simplify right side
    13,582.98x = 98,167,541.72
  5. Step 5: Solve for x
    x = 98,167,541.72/13,582.98
  6. Step 6: Final answer
    x = 7,227.25

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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.