Home / 14,782.50-20,399.85-10,075.01

Finding the Fourth Proportional to 14,782.50, 20,399.85 and 10,075.01

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Solution

The fourth proportional to 14,782.50, 20,399.85 and 10,075.01 is: 13,903.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,782.50 : 20,399.85 = 10,075.01 : x
  2. Step 2: Convert to fraction form
    14,782.50/20,399.85 = 10,075.01/x
  3. Step 3: Cross multiply
    14,782.50x = 20,399.85 × 10,075.01
  4. Step 4: Simplify right side
    14,782.50x = 205,528,590.75
  5. Step 5: Solve for x
    x = 205,528,590.75/14,782.50
  6. Step 6: Final answer
    x = 13,903.51

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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.