Home / 37,580.09-56,368.16-12,620.64

Finding the Fourth Proportional to 37,580.09, 56,368.16 and 12,620.64

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Solution

The fourth proportional to 37,580.09, 56,368.16 and 12,620.64 is: 18,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,580.09 : 56,368.16 = 12,620.64 : x
  2. Step 2: Convert to fraction form
    37,580.09/56,368.16 = 12,620.64/x
  3. Step 3: Cross multiply
    37,580.09x = 56,368.16 × 12,620.64
  4. Step 4: Simplify right side
    37,580.09x = 711,402,191.72
  5. Step 5: Solve for x
    x = 711,402,191.72/37,580.09
  6. Step 6: Final answer
    x = 18,930.30

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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.