Home / 23,487.04-32,412.38-13,416.81

Finding the Fourth Proportional to 23,487.04, 32,412.38 and 13,416.81

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Solution

The fourth proportional to 23,487.04, 32,412.38 and 13,416.81 is: 18,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,487.04 : 32,412.38 = 13,416.81 : x
  2. Step 2: Convert to fraction form
    23,487.04/32,412.38 = 13,416.81/x
  3. Step 3: Cross multiply
    23,487.04x = 32,412.38 × 13,416.81
  4. Step 4: Simplify right side
    23,487.04x = 434,870,744.11
  5. Step 5: Solve for x
    x = 434,870,744.11/23,487.04
  6. Step 6: Final answer
    x = 18,515.35

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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.