Home / 19,848.84-27,389.12-11,779.60

Finding the Fourth Proportional to 19,848.84, 27,389.12 and 11,779.60

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Solution

The fourth proportional to 19,848.84, 27,389.12 and 11,779.60 is: 16,254.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,848.84 : 27,389.12 = 11,779.60 : x
  2. Step 2: Convert to fraction form
    19,848.84/27,389.12 = 11,779.60/x
  3. Step 3: Cross multiply
    19,848.84x = 27,389.12 × 11,779.60
  4. Step 4: Simplify right side
    19,848.84x = 322,632,838.93
  5. Step 5: Solve for x
    x = 322,632,838.93/19,848.84
  6. Step 6: Final answer
    x = 16,254.49

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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.