Home / 14,059.68-19,378.40-12,867.94

Finding the Fourth Proportional to 14,059.68, 19,378.40 and 12,867.94

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Solution

The fourth proportional to 14,059.68, 19,378.40 and 12,867.94 is: 17,735.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,059.68 : 19,378.40 = 12,867.94 : x
  2. Step 2: Convert to fraction form
    14,059.68/19,378.40 = 12,867.94/x
  3. Step 3: Cross multiply
    14,059.68x = 19,378.40 × 12,867.94
  4. Step 4: Simplify right side
    14,059.68x = 249,360,088.50
  5. Step 5: Solve for x
    x = 249,360,088.50/14,059.68
  6. Step 6: Final answer
    x = 17,735.83

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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.