Home / 14,742.48-20,338.60-9,075.50

Finding the Fourth Proportional to 14,742.48, 20,338.60 and 9,075.50

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Solution

The fourth proportional to 14,742.48, 20,338.60 and 9,075.50 is: 12,520.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,742.48 : 20,338.60 = 9,075.50 : x
  2. Step 2: Convert to fraction form
    14,742.48/20,338.60 = 9,075.50/x
  3. Step 3: Cross multiply
    14,742.48x = 20,338.60 × 9,075.50
  4. Step 4: Simplify right side
    14,742.48x = 184,582,964.30
  5. Step 5: Solve for x
    x = 184,582,964.30/14,742.48
  6. Step 6: Final answer
    x = 12,520.48

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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.