Home / 14,862.57-20,502.77-11,319.63

Finding the Fourth Proportional to 14,862.57, 20,502.77 and 11,319.63

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Solution

The fourth proportional to 14,862.57, 20,502.77 and 11,319.63 is: 15,615.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,862.57 : 20,502.77 = 11,319.63 : x
  2. Step 2: Convert to fraction form
    14,862.57/20,502.77 = 11,319.63/x
  3. Step 3: Cross multiply
    14,862.57x = 20,502.77 × 11,319.63
  4. Step 4: Simplify right side
    14,862.57x = 232,083,713.78
  5. Step 5: Solve for x
    x = 232,083,713.78/14,862.57
  6. Step 6: Final answer
    x = 15,615.32

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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.