Home / 25,406.40-38,113.66-10,607.70

Finding the Fourth Proportional to 25,406.40, 38,113.66 and 10,607.70

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Solution

The fourth proportional to 25,406.40, 38,113.66 and 10,607.70 is: 15,913.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,406.40 : 38,113.66 = 10,607.70 : x
  2. Step 2: Convert to fraction form
    25,406.40/38,113.66 = 10,607.70/x
  3. Step 3: Cross multiply
    25,406.40x = 38,113.66 × 10,607.70
  4. Step 4: Simplify right side
    25,406.40x = 404,298,271.18
  5. Step 5: Solve for x
    x = 404,298,271.18/25,406.40
  6. Step 6: Final answer
    x = 15,913.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.