Home / 14,642.04-20,162.70-14,335.32

Finding the Fourth Proportional to 14,642.04, 20,162.70 and 14,335.32

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Solution

The fourth proportional to 14,642.04, 20,162.70 and 14,335.32 is: 19,740.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,642.04 : 20,162.70 = 14,335.32 : x
  2. Step 2: Convert to fraction form
    14,642.04/20,162.70 = 14,335.32/x
  3. Step 3: Cross multiply
    14,642.04x = 20,162.70 × 14,335.32
  4. Step 4: Simplify right side
    14,642.04x = 289,038,756.56
  5. Step 5: Solve for x
    x = 289,038,756.56/14,642.04
  6. Step 6: Final answer
    x = 19,740.33

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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.