Home / 19,762.12-29,643.23-8,075.34

Finding the Fourth Proportional to 19,762.12, 29,643.23 and 8,075.34

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Solution

The fourth proportional to 19,762.12, 29,643.23 and 8,075.34 is: 12,113.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,762.12 : 29,643.23 = 8,075.34 : x
  2. Step 2: Convert to fraction form
    19,762.12/29,643.23 = 8,075.34/x
  3. Step 3: Cross multiply
    19,762.12x = 29,643.23 × 8,075.34
  4. Step 4: Simplify right side
    19,762.12x = 239,379,160.95
  5. Step 5: Solve for x
    x = 239,379,160.95/19,762.12
  6. Step 6: Final answer
    x = 12,113.03

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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.