Home / 13,011.74-19,521.26-5,226.02

Finding the Fourth Proportional to 13,011.74, 19,521.26 and 5,226.02

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Solution

The fourth proportional to 13,011.74, 19,521.26 and 5,226.02 is: 7,840.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.74 : 19,521.26 = 5,226.02 : x
  2. Step 2: Convert to fraction form
    13,011.74/19,521.26 = 5,226.02/x
  3. Step 3: Cross multiply
    13,011.74x = 19,521.26 × 5,226.02
  4. Step 4: Simplify right side
    13,011.74x = 102,018,495.19
  5. Step 5: Solve for x
    x = 102,018,495.19/13,011.74
  6. Step 6: Final answer
    x = 7,840.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.