Home / 27,156.48-40,734.63-7,435.19

Finding the Fourth Proportional to 27,156.48, 40,734.63 and 7,435.19

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Solution

The fourth proportional to 27,156.48, 40,734.63 and 7,435.19 is: 11,152.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,156.48 : 40,734.63 = 7,435.19 : x
  2. Step 2: Convert to fraction form
    27,156.48/40,734.63 = 7,435.19/x
  3. Step 3: Cross multiply
    27,156.48x = 40,734.63 × 7,435.19
  4. Step 4: Simplify right side
    27,156.48x = 302,869,509.96
  5. Step 5: Solve for x
    x = 302,869,509.96/27,156.48
  6. Step 6: Final answer
    x = 11,152.75

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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.