Home / 16,831.95-25,247.93-12,457.95

Finding the Fourth Proportional to 16,831.95, 25,247.93 and 12,457.95

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Solution

The fourth proportional to 16,831.95, 25,247.93 and 12,457.95 is: 18,686.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.95 : 25,247.93 = 12,457.95 : x
  2. Step 2: Convert to fraction form
    16,831.95/25,247.93 = 12,457.95/x
  3. Step 3: Cross multiply
    16,831.95x = 25,247.93 × 12,457.95
  4. Step 4: Simplify right side
    16,831.95x = 314,537,387.25
  5. Step 5: Solve for x
    x = 314,537,387.25/16,831.95
  6. Step 6: Final answer
    x = 18,686.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.