Home / 25,681.46-35,444.48-15,613.05

Finding the Fourth Proportional to 25,681.46, 35,444.48 and 15,613.05

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Solution

The fourth proportional to 25,681.46, 35,444.48 and 15,613.05 is: 21,548.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,681.46 : 35,444.48 = 15,613.05 : x
  2. Step 2: Convert to fraction form
    25,681.46/35,444.48 = 15,613.05/x
  3. Step 3: Cross multiply
    25,681.46x = 35,444.48 × 15,613.05
  4. Step 4: Simplify right side
    25,681.46x = 553,396,360.40
  5. Step 5: Solve for x
    x = 553,396,360.40/25,681.46
  6. Step 6: Final answer
    x = 21,548.48

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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.