Home / 19,290.83-26,636.45-14,807.48

Finding the Fourth Proportional to 19,290.83, 26,636.45 and 14,807.48

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Solution

The fourth proportional to 19,290.83, 26,636.45 and 14,807.48 is: 20,445.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.83 : 26,636.45 = 14,807.48 : x
  2. Step 2: Convert to fraction form
    19,290.83/26,636.45 = 14,807.48/x
  3. Step 3: Cross multiply
    19,290.83x = 26,636.45 × 14,807.48
  4. Step 4: Simplify right side
    19,290.83x = 394,418,700.65
  5. Step 5: Solve for x
    x = 394,418,700.65/19,290.83
  6. Step 6: Final answer
    x = 20,445.92

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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.