Home / 25,492.04-35,174.34-15,419.06

Finding the Fourth Proportional to 25,492.04, 35,174.34 and 15,419.06

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Solution

The fourth proportional to 25,492.04, 35,174.34 and 15,419.06 is: 21,275.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,492.04 : 35,174.34 = 15,419.06 : x
  2. Step 2: Convert to fraction form
    25,492.04/35,174.34 = 15,419.06/x
  3. Step 3: Cross multiply
    25,492.04x = 35,174.34 × 15,419.06
  4. Step 4: Simplify right side
    25,492.04x = 542,355,258.92
  5. Step 5: Solve for x
    x = 542,355,258.92/25,492.04
  6. Step 6: Final answer
    x = 21,275.47

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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.