Home / 19,038.21-26,275.85-13,064.97

Finding the Fourth Proportional to 19,038.21, 26,275.85 and 13,064.97

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Solution

The fourth proportional to 19,038.21, 26,275.85 and 13,064.97 is: 18,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038.21 : 26,275.85 = 13,064.97 : x
  2. Step 2: Convert to fraction form
    19,038.21/26,275.85 = 13,064.97/x
  3. Step 3: Cross multiply
    19,038.21x = 26,275.85 × 13,064.97
  4. Step 4: Simplify right side
    19,038.21x = 343,293,191.97
  5. Step 5: Solve for x
    x = 343,293,191.97/19,038.21
  6. Step 6: Final answer
    x = 18,031.80

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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.