Home / 21,097.19-29,100.67-16,050.35

Finding the Fourth Proportional to 21,097.19, 29,100.67 and 16,050.35

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Solution

The fourth proportional to 21,097.19, 29,100.67 and 16,050.35 is: 22,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,097.19 : 29,100.67 = 16,050.35 : x
  2. Step 2: Convert to fraction form
    21,097.19/29,100.67 = 16,050.35/x
  3. Step 3: Cross multiply
    21,097.19x = 29,100.67 × 16,050.35
  4. Step 4: Simplify right side
    21,097.19x = 467,075,971.36
  5. Step 5: Solve for x
    x = 467,075,971.36/21,097.19
  6. Step 6: Final answer
    x = 22,139.25

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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.