Home / 25,111.40-37,667.10-6,643.40

Finding the Fourth Proportional to 25,111.40, 37,667.10 and 6,643.40

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Solution

The fourth proportional to 25,111.40, 37,667.10 and 6,643.40 is: 9,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,111.40 : 37,667.10 = 6,643.40 : x
  2. Step 2: Convert to fraction form
    25,111.40/37,667.10 = 6,643.40/x
  3. Step 3: Cross multiply
    25,111.40x = 37,667.10 × 6,643.40
  4. Step 4: Simplify right side
    25,111.40x = 250,237,612.14
  5. Step 5: Solve for x
    x = 250,237,612.14/25,111.40
  6. Step 6: Final answer
    x = 9,965.10

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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.