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Finding the Fourth Proportional to 14,783.51, 22,156.79 and 7,390.04

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Solution

The fourth proportional to 14,783.51, 22,156.79 and 7,390.04 is: 11,075.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,783.51 : 22,156.79 = 7,390.04 : x
  2. Step 2: Convert to fraction form
    14,783.51/22,156.79 = 7,390.04/x
  3. Step 3: Cross multiply
    14,783.51x = 22,156.79 × 7,390.04
  4. Step 4: Simplify right side
    14,783.51x = 163,739,458.21
  5. Step 5: Solve for x
    x = 163,739,458.21/14,783.51
  6. Step 6: Final answer
    x = 11,075.82

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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.