Home / 14,040.51-21,053.70-4,677.21

Finding the Fourth Proportional to 14,040.51, 21,053.70 and 4,677.21

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Solution

The fourth proportional to 14,040.51, 21,053.70 and 4,677.21 is: 7,013.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.51 : 21,053.70 = 4,677.21 : x
  2. Step 2: Convert to fraction form
    14,040.51/21,053.70 = 4,677.21/x
  3. Step 3: Cross multiply
    14,040.51x = 21,053.70 × 4,677.21
  4. Step 4: Simplify right side
    14,040.51x = 98,472,576.18
  5. Step 5: Solve for x
    x = 98,472,576.18/14,040.51
  6. Step 6: Final answer
    x = 7,013.46

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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.