Home / 14,742.04-20,340.84-9,075.28

Finding the Fourth Proportional to 14,742.04, 20,340.84 and 9,075.28

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Solution

The fourth proportional to 14,742.04, 20,340.84 and 9,075.28 is: 12,521.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,742.04 : 20,340.84 = 9,075.28 : x
  2. Step 2: Convert to fraction form
    14,742.04/20,340.84 = 9,075.28/x
  3. Step 3: Cross multiply
    14,742.04x = 20,340.84 × 9,075.28
  4. Step 4: Simplify right side
    14,742.04x = 184,598,818.44
  5. Step 5: Solve for x
    x = 184,598,818.44/14,742.04
  6. Step 6: Final answer
    x = 12,521.93

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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.