Home / 19,549.48-26,981.90-11,165.98

Finding the Fourth Proportional to 19,549.48, 26,981.90 and 11,165.98

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Solution

The fourth proportional to 19,549.48, 26,981.90 and 11,165.98 is: 15,411.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,549.48 : 26,981.90 = 11,165.98 : x
  2. Step 2: Convert to fraction form
    19,549.48/26,981.90 = 11,165.98/x
  3. Step 3: Cross multiply
    19,549.48x = 26,981.90 × 11,165.98
  4. Step 4: Simplify right side
    19,549.48x = 301,279,355.76
  5. Step 5: Solve for x
    x = 301,279,355.76/19,549.48
  6. Step 6: Final answer
    x = 15,411.12

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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.