Home / 19,435.56-29,128.02-14,116.56

Finding the Fourth Proportional to 19,435.56, 29,128.02 and 14,116.56

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Solution

The fourth proportional to 19,435.56, 29,128.02 and 14,116.56 is: 21,156.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,435.56 : 29,128.02 = 14,116.56 : x
  2. Step 2: Convert to fraction form
    19,435.56/29,128.02 = 14,116.56/x
  3. Step 3: Cross multiply
    19,435.56x = 29,128.02 × 14,116.56
  4. Step 4: Simplify right side
    19,435.56x = 411,187,442.01
  5. Step 5: Solve for x
    x = 411,187,442.01/19,435.56
  6. Step 6: Final answer
    x = 21,156.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.