Home / 29,312.46-43,970.67-11,780.10

Finding the Fourth Proportional to 29,312.46, 43,970.67 and 11,780.10

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Solution

The fourth proportional to 29,312.46, 43,970.67 and 11,780.10 is: 17,670.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312.46 : 43,970.67 = 11,780.10 : x
  2. Step 2: Convert to fraction form
    29,312.46/43,970.67 = 11,780.10/x
  3. Step 3: Cross multiply
    29,312.46x = 43,970.67 × 11,780.10
  4. Step 4: Simplify right side
    29,312.46x = 517,978,889.67
  5. Step 5: Solve for x
    x = 517,978,889.67/29,312.46
  6. Step 6: Final answer
    x = 17,670.95

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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.