Home / 25,898.20-35,720.40-19,184.11

Finding the Fourth Proportional to 25,898.20, 35,720.40 and 19,184.11

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Solution

The fourth proportional to 25,898.20, 35,720.40 and 19,184.11 is: 26,459.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,898.20 : 35,720.40 = 19,184.11 : x
  2. Step 2: Convert to fraction form
    25,898.20/35,720.40 = 19,184.11/x
  3. Step 3: Cross multiply
    25,898.20x = 35,720.40 × 19,184.11
  4. Step 4: Simplify right side
    25,898.20x = 685,264,082.84
  5. Step 5: Solve for x
    x = 685,264,082.84/25,898.20
  6. Step 6: Final answer
    x = 26,459.91

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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.