Home / 14,079.02-19,428.73-7,705.46

Finding the Fourth Proportional to 14,079.02, 19,428.73 and 7,705.46

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Solution

The fourth proportional to 14,079.02, 19,428.73 and 7,705.46 is: 10,633.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.02 : 19,428.73 = 7,705.46 : x
  2. Step 2: Convert to fraction form
    14,079.02/19,428.73 = 7,705.46/x
  3. Step 3: Cross multiply
    14,079.02x = 19,428.73 × 7,705.46
  4. Step 4: Simplify right side
    14,079.02x = 149,707,331.17
  5. Step 5: Solve for x
    x = 149,707,331.17/14,079.02
  6. Step 6: Final answer
    x = 10,633.37

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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.