Home / 14,155.55-19,534.12-7,868.33

Finding the Fourth Proportional to 14,155.55, 19,534.12 and 7,868.33

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Solution

The fourth proportional to 14,155.55, 19,534.12 and 7,868.33 is: 10,858.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.55 : 19,534.12 = 7,868.33 : x
  2. Step 2: Convert to fraction form
    14,155.55/19,534.12 = 7,868.33/x
  3. Step 3: Cross multiply
    14,155.55x = 19,534.12 × 7,868.33
  4. Step 4: Simplify right side
    14,155.55x = 153,700,902.42
  5. Step 5: Solve for x
    x = 153,700,902.42/14,155.55
  6. Step 6: Final answer
    x = 10,858.00

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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.