Home / 19,199.10-26,486.16-11,237.81

Finding the Fourth Proportional to 19,199.10, 26,486.16 and 11,237.81

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Solution

The fourth proportional to 19,199.10, 26,486.16 and 11,237.81 is: 15,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,199.10 : 26,486.16 = 11,237.81 : x
  2. Step 2: Convert to fraction form
    19,199.10/26,486.16 = 11,237.81/x
  3. Step 3: Cross multiply
    19,199.10x = 26,486.16 × 11,237.81
  4. Step 4: Simplify right side
    19,199.10x = 297,646,433.71
  5. Step 5: Solve for x
    x = 297,646,433.71/19,199.10
  6. Step 6: Final answer
    x = 15,503.15

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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.