Home / 14,632.32-20,152.08-12,642.24

Finding the Fourth Proportional to 14,632.32, 20,152.08 and 12,642.24

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Solution

The fourth proportional to 14,632.32, 20,152.08 and 12,642.24 is: 17,411.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,632.32 : 20,152.08 = 12,642.24 : x
  2. Step 2: Convert to fraction form
    14,632.32/20,152.08 = 12,642.24/x
  3. Step 3: Cross multiply
    14,632.32x = 20,152.08 × 12,642.24
  4. Step 4: Simplify right side
    14,632.32x = 254,767,431.86
  5. Step 5: Solve for x
    x = 254,767,431.86/14,632.32
  6. Step 6: Final answer
    x = 17,411.28

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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.