Home / 25,485.02-35,164.69-15,412.06

Finding the Fourth Proportional to 25,485.02, 35,164.69 and 15,412.06

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Solution

The fourth proportional to 25,485.02, 35,164.69 and 15,412.06 is: 21,265.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,485.02 : 35,164.69 = 15,412.06 : x
  2. Step 2: Convert to fraction form
    25,485.02/35,164.69 = 15,412.06/x
  3. Step 3: Cross multiply
    25,485.02x = 35,164.69 × 15,412.06
  4. Step 4: Simplify right side
    25,485.02x = 541,960,312.16
  5. Step 5: Solve for x
    x = 541,960,312.16/25,485.02
  6. Step 6: Final answer
    x = 21,265.84

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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.