Home / 29,663.88-40,934.10-16,917.60

Finding the Fourth Proportional to 29,663.88, 40,934.10 and 16,917.60

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Solution

The fourth proportional to 29,663.88, 40,934.10 and 16,917.60 is: 23,345.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,663.88 : 40,934.10 = 16,917.60 : x
  2. Step 2: Convert to fraction form
    29,663.88/40,934.10 = 16,917.60/x
  3. Step 3: Cross multiply
    29,663.88x = 40,934.10 × 16,917.60
  4. Step 4: Simplify right side
    29,663.88x = 692,506,899.52
  5. Step 5: Solve for x
    x = 692,506,899.52/29,663.88
  6. Step 6: Final answer
    x = 23,345.12

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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.