Home / 14,386.64-19,851.09-8,012.48

Finding the Fourth Proportional to 14,386.64, 19,851.09 and 8,012.48

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Solution

The fourth proportional to 14,386.64, 19,851.09 and 8,012.48 is: 11,055.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386.64 : 19,851.09 = 8,012.48 : x
  2. Step 2: Convert to fraction form
    14,386.64/19,851.09 = 8,012.48/x
  3. Step 3: Cross multiply
    14,386.64x = 19,851.09 × 8,012.48
  4. Step 4: Simplify right side
    14,386.64x = 159,056,461.60
  5. Step 5: Solve for x
    x = 159,056,461.60/14,386.64
  6. Step 6: Final answer
    x = 11,055.84

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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.