Home / 29,657.08-40,916.64-18,314.74

Finding the Fourth Proportional to 29,657.08, 40,916.64 and 18,314.74

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Solution

The fourth proportional to 29,657.08, 40,916.64 and 18,314.74 is: 25,268.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,657.08 : 40,916.64 = 18,314.74 : x
  2. Step 2: Convert to fraction form
    29,657.08/40,916.64 = 18,314.74/x
  3. Step 3: Cross multiply
    29,657.08x = 40,916.64 × 18,314.74
  4. Step 4: Simplify right side
    29,657.08x = 749,377,623.27
  5. Step 5: Solve for x
    x = 749,377,623.27/29,657.08
  6. Step 6: Final answer
    x = 25,268.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.