Home / 13,890.07-19,153.02-8,848.63

Finding the Fourth Proportional to 13,890.07, 19,153.02 and 8,848.63

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Solution

The fourth proportional to 13,890.07, 19,153.02 and 8,848.63 is: 12,201.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,890.07 : 19,153.02 = 8,848.63 : x
  2. Step 2: Convert to fraction form
    13,890.07/19,153.02 = 8,848.63/x
  3. Step 3: Cross multiply
    13,890.07x = 19,153.02 × 8,848.63
  4. Step 4: Simplify right side
    13,890.07x = 169,477,987.36
  5. Step 5: Solve for x
    x = 169,477,987.36/13,890.07
  6. Step 6: Final answer
    x = 12,201.38

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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.