Home / 13,297.23-19,848.51-11,720.84

Finding the Fourth Proportional to 13,297.23, 19,848.51 and 11,720.84

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Solution

The fourth proportional to 13,297.23, 19,848.51 and 11,720.84 is: 17,495.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.23 : 19,848.51 = 11,720.84 : x
  2. Step 2: Convert to fraction form
    13,297.23/19,848.51 = 11,720.84/x
  3. Step 3: Cross multiply
    13,297.23x = 19,848.51 × 11,720.84
  4. Step 4: Simplify right side
    13,297.23x = 232,641,110.71
  5. Step 5: Solve for x
    x = 232,641,110.71/13,297.23
  6. Step 6: Final answer
    x = 17,495.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.