Home / 37,580.40-56,368.71-12,618.54

Finding the Fourth Proportional to 37,580.40, 56,368.71 and 12,618.54

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Solution

The fourth proportional to 37,580.40, 56,368.71 and 12,618.54 is: 18,927.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,580.40 : 56,368.71 = 12,618.54 : x
  2. Step 2: Convert to fraction form
    37,580.40/56,368.71 = 12,618.54/x
  3. Step 3: Cross multiply
    37,580.40x = 56,368.71 × 12,618.54
  4. Step 4: Simplify right side
    37,580.40x = 711,290,821.88
  5. Step 5: Solve for x
    x = 711,290,821.88/37,580.40
  6. Step 6: Final answer
    x = 18,927.18

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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.