Home / 39,814.16-59,730.12-12,114.32

Finding the Fourth Proportional to 39,814.16, 59,730.12 and 12,114.32

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Solution

The fourth proportional to 39,814.16, 59,730.12 and 12,114.32 is: 18,174.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,814.16 : 59,730.12 = 12,114.32 : x
  2. Step 2: Convert to fraction form
    39,814.16/59,730.12 = 12,114.32/x
  3. Step 3: Cross multiply
    39,814.16x = 59,730.12 × 12,114.32
  4. Step 4: Simplify right side
    39,814.16x = 723,589,787.32
  5. Step 5: Solve for x
    x = 723,589,787.32/39,814.16
  6. Step 6: Final answer
    x = 18,174.18

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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.