Home / 18,717.93-25,848.95-11,647.53

Finding the Fourth Proportional to 18,717.93, 25,848.95 and 11,647.53

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Solution

The fourth proportional to 18,717.93, 25,848.95 and 11,647.53 is: 16,084.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.93 : 25,848.95 = 11,647.53 : x
  2. Step 2: Convert to fraction form
    18,717.93/25,848.95 = 11,647.53/x
  3. Step 3: Cross multiply
    18,717.93x = 25,848.95 × 11,647.53
  4. Step 4: Simplify right side
    18,717.93x = 301,076,362.36
  5. Step 5: Solve for x
    x = 301,076,362.36/18,717.93
  6. Step 6: Final answer
    x = 16,084.92

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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.