Home / 13,877.60-19,127.75-10,519.34

Finding the Fourth Proportional to 13,877.60, 19,127.75 and 10,519.34

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Solution

The fourth proportional to 13,877.60, 19,127.75 and 10,519.34 is: 14,498.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.60 : 19,127.75 = 10,519.34 : x
  2. Step 2: Convert to fraction form
    13,877.60/19,127.75 = 10,519.34/x
  3. Step 3: Cross multiply
    13,877.60x = 19,127.75 × 10,519.34
  4. Step 4: Simplify right side
    13,877.60x = 201,211,157.45
  5. Step 5: Solve for x
    x = 201,211,157.45/13,877.60
  6. Step 6: Final answer
    x = 14,498.99

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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.