Home / 29,124.12-43,678.95-12,482.26

Finding the Fourth Proportional to 29,124.12, 43,678.95 and 12,482.26

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Solution

The fourth proportional to 29,124.12, 43,678.95 and 12,482.26 is: 18,720.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,124.12 : 43,678.95 = 12,482.26 : x
  2. Step 2: Convert to fraction form
    29,124.12/43,678.95 = 12,482.26/x
  3. Step 3: Cross multiply
    29,124.12x = 43,678.95 × 12,482.26
  4. Step 4: Simplify right side
    29,124.12x = 545,212,010.43
  5. Step 5: Solve for x
    x = 545,212,010.43/29,124.12
  6. Step 6: Final answer
    x = 18,720.29

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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.