Home / 13,626.15-20,417.64-10,513.77

Finding the Fourth Proportional to 13,626.15, 20,417.64 and 10,513.77

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Solution

The fourth proportional to 13,626.15, 20,417.64 and 10,513.77 is: 15,754.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626.15 : 20,417.64 = 10,513.77 : x
  2. Step 2: Convert to fraction form
    13,626.15/20,417.64 = 10,513.77/x
  3. Step 3: Cross multiply
    13,626.15x = 20,417.64 × 10,513.77
  4. Step 4: Simplify right side
    13,626.15x = 214,666,515.89
  5. Step 5: Solve for x
    x = 214,666,515.89/13,626.15
  6. Step 6: Final answer
    x = 15,754.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.