Home / 25,415.57-35,085.53-16,931.83

Finding the Fourth Proportional to 25,415.57, 35,085.53 and 16,931.83

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Solution

The fourth proportional to 25,415.57, 35,085.53 and 16,931.83 is: 23,373.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,415.57 : 35,085.53 = 16,931.83 : x
  2. Step 2: Convert to fraction form
    25,415.57/35,085.53 = 16,931.83/x
  3. Step 3: Cross multiply
    25,415.57x = 35,085.53 × 16,931.83
  4. Step 4: Simplify right side
    25,415.57x = 594,062,184.04
  5. Step 5: Solve for x
    x = 594,062,184.04/25,415.57
  6. Step 6: Final answer
    x = 23,373.95

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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.