Home / 25,547.81-35,255.25-14,217.12

Finding the Fourth Proportional to 25,547.81, 35,255.25 and 14,217.12

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Solution

The fourth proportional to 25,547.81, 35,255.25 and 14,217.12 is: 19,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,547.81 : 35,255.25 = 14,217.12 : x
  2. Step 2: Convert to fraction form
    25,547.81/35,255.25 = 14,217.12/x
  3. Step 3: Cross multiply
    25,547.81x = 35,255.25 × 14,217.12
  4. Step 4: Simplify right side
    25,547.81x = 501,228,119.88
  5. Step 5: Solve for x
    x = 501,228,119.88/25,547.81
  6. Step 6: Final answer
    x = 19,619.22

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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.