Home / 14,831.48-20,460.93-8,860.16

Finding the Fourth Proportional to 14,831.48, 20,460.93 and 8,860.16

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Solution

The fourth proportional to 14,831.48, 20,460.93 and 8,860.16 is: 12,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,831.48 : 20,460.93 = 8,860.16 : x
  2. Step 2: Convert to fraction form
    14,831.48/20,460.93 = 8,860.16/x
  3. Step 3: Cross multiply
    14,831.48x = 20,460.93 × 8,860.16
  4. Step 4: Simplify right side
    14,831.48x = 181,287,113.55
  5. Step 5: Solve for x
    x = 181,287,113.55/14,831.48
  6. Step 6: Final answer
    x = 12,223.13

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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.