Home / 14,047.92-21,075.80-4,187.52

Finding the Fourth Proportional to 14,047.92, 21,075.80 and 4,187.52

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Solution

The fourth proportional to 14,047.92, 21,075.80 and 4,187.52 is: 6,282.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.92 : 21,075.80 = 4,187.52 : x
  2. Step 2: Convert to fraction form
    14,047.92/21,075.80 = 4,187.52/x
  3. Step 3: Cross multiply
    14,047.92x = 21,075.80 × 4,187.52
  4. Step 4: Simplify right side
    14,047.92x = 88,255,313.08
  5. Step 5: Solve for x
    x = 88,255,313.08/14,047.92
  6. Step 6: Final answer
    x = 6,282.45

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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.