Home / 13,030.42-19,543.74-4,265.68

Finding the Fourth Proportional to 13,030.42, 19,543.74 and 4,265.68

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Solution

The fourth proportional to 13,030.42, 19,543.74 and 4,265.68 is: 6,397.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.42 : 19,543.74 = 4,265.68 : x
  2. Step 2: Convert to fraction form
    13,030.42/19,543.74 = 4,265.68/x
  3. Step 3: Cross multiply
    13,030.42x = 19,543.74 × 4,265.68
  4. Step 4: Simplify right side
    13,030.42x = 83,367,340.84
  5. Step 5: Solve for x
    x = 83,367,340.84/13,030.42
  6. Step 6: Final answer
    x = 6,397.90

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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.