Home / 14,420.33-21,487.14-12,848.25

Finding the Fourth Proportional to 14,420.33, 21,487.14 and 12,848.25

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Solution

The fourth proportional to 14,420.33, 21,487.14 and 12,848.25 is: 19,144.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420.33 : 21,487.14 = 12,848.25 : x
  2. Step 2: Convert to fraction form
    14,420.33/21,487.14 = 12,848.25/x
  3. Step 3: Cross multiply
    14,420.33x = 21,487.14 × 12,848.25
  4. Step 4: Simplify right side
    14,420.33x = 276,072,146.51
  5. Step 5: Solve for x
    x = 276,072,146.51/14,420.33
  6. Step 6: Final answer
    x = 19,144.65

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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.