Home / 19,445.39-26,826.65-14,421.97

Finding the Fourth Proportional to 19,445.39, 26,826.65 and 14,421.97

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Solution

The fourth proportional to 19,445.39, 26,826.65 and 14,421.97 is: 19,896.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,445.39 : 26,826.65 = 14,421.97 : x
  2. Step 2: Convert to fraction form
    19,445.39/26,826.65 = 14,421.97/x
  3. Step 3: Cross multiply
    19,445.39x = 26,826.65 × 14,421.97
  4. Step 4: Simplify right side
    19,445.39x = 386,893,056.41
  5. Step 5: Solve for x
    x = 386,893,056.41/19,445.39
  6. Step 6: Final answer
    x = 19,896.39

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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.