Home / 25,719.04-35,496.06-15,645.53

Finding the Fourth Proportional to 25,719.04, 35,496.06 and 15,645.53

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Solution

The fourth proportional to 25,719.04, 35,496.06 and 15,645.53 is: 21,593.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,719.04 : 35,496.06 = 15,645.53 : x
  2. Step 2: Convert to fraction form
    25,719.04/35,496.06 = 15,645.53/x
  3. Step 3: Cross multiply
    25,719.04x = 35,496.06 × 15,645.53
  4. Step 4: Simplify right side
    25,719.04x = 555,354,671.61
  5. Step 5: Solve for x
    x = 555,354,671.61/25,719.04
  6. Step 6: Final answer
    x = 21,593.13

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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.