Home / 19,422.18-26,802.50-11,038.68

Finding the Fourth Proportional to 19,422.18, 26,802.50 and 11,038.68

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Solution

The fourth proportional to 19,422.18, 26,802.50 and 11,038.68 is: 15,233.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.18 : 26,802.50 = 11,038.68 : x
  2. Step 2: Convert to fraction form
    19,422.18/26,802.50 = 11,038.68/x
  3. Step 3: Cross multiply
    19,422.18x = 26,802.50 × 11,038.68
  4. Step 4: Simplify right side
    19,422.18x = 295,864,220.70
  5. Step 5: Solve for x
    x = 295,864,220.70/19,422.18
  6. Step 6: Final answer
    x = 15,233.32

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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.