Home / 19,021.40-26,248.20-11,063.06

Finding the Fourth Proportional to 19,021.40, 26,248.20 and 11,063.06

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Solution

The fourth proportional to 19,021.40, 26,248.20 and 11,063.06 is: 15,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,021.40 : 26,248.20 = 11,063.06 : x
  2. Step 2: Convert to fraction form
    19,021.40/26,248.20 = 11,063.06/x
  3. Step 3: Cross multiply
    19,021.40x = 26,248.20 × 11,063.06
  4. Step 4: Simplify right side
    19,021.40x = 290,385,411.49
  5. Step 5: Solve for x
    x = 290,385,411.49/19,021.40
  6. Step 6: Final answer
    x = 15,266.25

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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.