Home / 29,380.64-40,547.80-16,636.07

Finding the Fourth Proportional to 29,380.64, 40,547.80 and 16,636.07

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Solution

The fourth proportional to 29,380.64, 40,547.80 and 16,636.07 is: 22,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,380.64 : 40,547.80 = 16,636.07 : x
  2. Step 2: Convert to fraction form
    29,380.64/40,547.80 = 16,636.07/x
  3. Step 3: Cross multiply
    29,380.64x = 40,547.80 × 16,636.07
  4. Step 4: Simplify right side
    29,380.64x = 674,556,098.93
  5. Step 5: Solve for x
    x = 674,556,098.93/29,380.64
  6. Step 6: Final answer
    x = 22,959.20

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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.