Home / 27,651.04-38,157.84-15,075.52

Finding the Fourth Proportional to 27,651.04, 38,157.84 and 15,075.52

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Solution

The fourth proportional to 27,651.04, 38,157.84 and 15,075.52 is: 20,803.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,651.04 : 38,157.84 = 15,075.52 : x
  2. Step 2: Convert to fraction form
    27,651.04/38,157.84 = 15,075.52/x
  3. Step 3: Cross multiply
    27,651.04x = 38,157.84 × 15,075.52
  4. Step 4: Simplify right side
    27,651.04x = 575,249,280.08
  5. Step 5: Solve for x
    x = 575,249,280.08/27,651.04
  6. Step 6: Final answer
    x = 20,803.89

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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.