Home / 13,364.63-18,421.94-10,527.51

Finding the Fourth Proportional to 13,364.63, 18,421.94 and 10,527.51

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Solution

The fourth proportional to 13,364.63, 18,421.94 and 10,527.51 is: 14,511.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.63 : 18,421.94 = 10,527.51 : x
  2. Step 2: Convert to fraction form
    13,364.63/18,421.94 = 10,527.51/x
  3. Step 3: Cross multiply
    13,364.63x = 18,421.94 × 10,527.51
  4. Step 4: Simplify right side
    13,364.63x = 193,937,035.85
  5. Step 5: Solve for x
    x = 193,937,035.85/13,364.63
  6. Step 6: Final answer
    x = 14,511.22

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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.