Home / 13,969.21-19,277.55-7,595.80

Finding the Fourth Proportional to 13,969.21, 19,277.55 and 7,595.80

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Solution

The fourth proportional to 13,969.21, 19,277.55 and 7,595.80 is: 10,482.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.21 : 19,277.55 = 7,595.80 : x
  2. Step 2: Convert to fraction form
    13,969.21/19,277.55 = 7,595.80/x
  3. Step 3: Cross multiply
    13,969.21x = 19,277.55 × 7,595.80
  4. Step 4: Simplify right side
    13,969.21x = 146,428,409.90
  5. Step 5: Solve for x
    x = 146,428,409.90/13,969.21
  6. Step 6: Final answer
    x = 10,482.23

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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.