Home / 14,790.40-20,409.95-8,075.93

Finding the Fourth Proportional to 14,790.40, 20,409.95 and 8,075.93

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Solution

The fourth proportional to 14,790.40, 20,409.95 and 8,075.93 is: 11,144.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790.40 : 20,409.95 = 8,075.93 : x
  2. Step 2: Convert to fraction form
    14,790.40/20,409.95 = 8,075.93/x
  3. Step 3: Cross multiply
    14,790.40x = 20,409.95 × 8,075.93
  4. Step 4: Simplify right side
    14,790.40x = 164,829,245.64
  5. Step 5: Solve for x
    x = 164,829,245.64/14,790.40
  6. Step 6: Final answer
    x = 11,144.34

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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.