Home / 21,545.33-29,731.95-13,052.48

Finding the Fourth Proportional to 21,545.33, 29,731.95 and 13,052.48

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Solution

The fourth proportional to 21,545.33, 29,731.95 and 13,052.48 is: 18,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,545.33 : 29,731.95 = 13,052.48 : x
  2. Step 2: Convert to fraction form
    21,545.33/29,731.95 = 13,052.48/x
  3. Step 3: Cross multiply
    21,545.33x = 29,731.95 × 13,052.48
  4. Step 4: Simplify right side
    21,545.33x = 388,075,534.08
  5. Step 5: Solve for x
    x = 388,075,534.08/21,545.33
  6. Step 6: Final answer
    x = 18,012.05

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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.