Home / 25,158.95-34,719.42-13,829.60

Finding the Fourth Proportional to 25,158.95, 34,719.42 and 13,829.60

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Solution

The fourth proportional to 25,158.95, 34,719.42 and 13,829.60 is: 19,084.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,158.95 : 34,719.42 = 13,829.60 : x
  2. Step 2: Convert to fraction form
    25,158.95/34,719.42 = 13,829.60/x
  3. Step 3: Cross multiply
    25,158.95x = 34,719.42 × 13,829.60
  4. Step 4: Simplify right side
    25,158.95x = 480,155,777.63
  5. Step 5: Solve for x
    x = 480,155,777.63/25,158.95
  6. Step 6: Final answer
    x = 19,084.89

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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.