Home / 19,165.19-26,437.16-11,506.50

Finding the Fourth Proportional to 19,165.19, 26,437.16 and 11,506.50

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Solution

The fourth proportional to 19,165.19, 26,437.16 and 11,506.50 is: 15,872.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.19 : 26,437.16 = 11,506.50 : x
  2. Step 2: Convert to fraction form
    19,165.19/26,437.16 = 11,506.50/x
  3. Step 3: Cross multiply
    19,165.19x = 26,437.16 × 11,506.50
  4. Step 4: Simplify right side
    19,165.19x = 304,199,124.01
  5. Step 5: Solve for x
    x = 304,199,124.01/19,165.19
  6. Step 6: Final answer
    x = 15,872.49

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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.