Home / 13,465.84-18,568.72-10,628.52

Finding the Fourth Proportional to 13,465.84, 18,568.72 and 10,628.52

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Solution

The fourth proportional to 13,465.84, 18,568.72 and 10,628.52 is: 14,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.84 : 18,568.72 = 10,628.52 : x
  2. Step 2: Convert to fraction form
    13,465.84/18,568.72 = 10,628.52/x
  3. Step 3: Cross multiply
    13,465.84x = 18,568.72 × 10,628.52
  4. Step 4: Simplify right side
    13,465.84x = 197,358,011.89
  5. Step 5: Solve for x
    x = 197,358,011.89/13,465.84
  6. Step 6: Final answer
    x = 14,656.20

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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.