Home / 19,415.34-29,075.85-11,070.18

Finding the Fourth Proportional to 19,415.34, 29,075.85 and 11,070.18

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Solution

The fourth proportional to 19,415.34, 29,075.85 and 11,070.18 is: 16,578.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415.34 : 29,075.85 = 11,070.18 : x
  2. Step 2: Convert to fraction form
    19,415.34/29,075.85 = 11,070.18/x
  3. Step 3: Cross multiply
    19,415.34x = 29,075.85 × 11,070.18
  4. Step 4: Simplify right side
    19,415.34x = 321,874,893.15
  5. Step 5: Solve for x
    x = 321,874,893.15/19,415.34
  6. Step 6: Final answer
    x = 16,578.38

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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.