Home / 21,547.22-29,749.88-16,502.54

Finding the Fourth Proportional to 21,547.22, 29,749.88 and 16,502.54

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Solution

The fourth proportional to 21,547.22, 29,749.88 and 16,502.54 is: 22,784.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,547.22 : 29,749.88 = 16,502.54 : x
  2. Step 2: Convert to fraction form
    21,547.22/29,749.88 = 16,502.54/x
  3. Step 3: Cross multiply
    21,547.22x = 29,749.88 × 16,502.54
  4. Step 4: Simplify right side
    21,547.22x = 490,948,477.20
  5. Step 5: Solve for x
    x = 490,948,477.20/21,547.22
  6. Step 6: Final answer
    x = 22,784.78

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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.