Home / 14,427.48-19,911.29-8,760.93

Finding the Fourth Proportional to 14,427.48, 19,911.29 and 8,760.93

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Solution

The fourth proportional to 14,427.48, 19,911.29 and 8,760.93 is: 12,090.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,427.48 : 19,911.29 = 8,760.93 : x
  2. Step 2: Convert to fraction form
    14,427.48/19,911.29 = 8,760.93/x
  3. Step 3: Cross multiply
    14,427.48x = 19,911.29 × 8,760.93
  4. Step 4: Simplify right side
    14,427.48x = 174,441,417.90
  5. Step 5: Solve for x
    x = 174,441,417.90/14,427.48
  6. Step 6: Final answer
    x = 12,090.91

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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.