Home / 36,907.20-55,368.90-11,948.40

Finding the Fourth Proportional to 36,907.20, 55,368.90 and 11,948.40

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Solution

The fourth proportional to 36,907.20, 55,368.90 and 11,948.40 is: 17,925.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,907.20 : 55,368.90 = 11,948.40 : x
  2. Step 2: Convert to fraction form
    36,907.20/55,368.90 = 11,948.40/x
  3. Step 3: Cross multiply
    36,907.20x = 55,368.90 × 11,948.40
  4. Step 4: Simplify right side
    36,907.20x = 661,569,764.76
  5. Step 5: Solve for x
    x = 661,569,764.76/36,907.20
  6. Step 6: Final answer
    x = 17,925.22

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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.