Home / 21,026.03-29,016.59-12,075.35

Finding the Fourth Proportional to 21,026.03, 29,016.59 and 12,075.35

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Solution

The fourth proportional to 21,026.03, 29,016.59 and 12,075.35 is: 16,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026.03 : 29,016.59 = 12,075.35 : x
  2. Step 2: Convert to fraction form
    21,026.03/29,016.59 = 12,075.35/x
  3. Step 3: Cross multiply
    21,026.03x = 29,016.59 × 12,075.35
  4. Step 4: Simplify right side
    21,026.03x = 350,385,274.60
  5. Step 5: Solve for x
    x = 350,385,274.60/21,026.03
  6. Step 6: Final answer
    x = 16,664.36

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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.