Home / 14,550.99-20,075.10-9,518.08

Finding the Fourth Proportional to 14,550.99, 20,075.10 and 9,518.08

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Solution

The fourth proportional to 14,550.99, 20,075.10 and 9,518.08 is: 13,131.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.99 : 20,075.10 = 9,518.08 : x
  2. Step 2: Convert to fraction form
    14,550.99/20,075.10 = 9,518.08/x
  3. Step 3: Cross multiply
    14,550.99x = 20,075.10 × 9,518.08
  4. Step 4: Simplify right side
    14,550.99x = 191,076,407.81
  5. Step 5: Solve for x
    x = 191,076,407.81/14,550.99
  6. Step 6: Final answer
    x = 13,131.51

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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.