Home / 19,070.40-26,308.24-12,358.32

Finding the Fourth Proportional to 19,070.40, 26,308.24 and 12,358.32

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Solution

The fourth proportional to 19,070.40, 26,308.24 and 12,358.32 is: 17,048.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,070.40 : 26,308.24 = 12,358.32 : x
  2. Step 2: Convert to fraction form
    19,070.40/26,308.24 = 12,358.32/x
  3. Step 3: Cross multiply
    19,070.40x = 26,308.24 × 12,358.32
  4. Step 4: Simplify right side
    19,070.40x = 325,125,648.56
  5. Step 5: Solve for x
    x = 325,125,648.56/19,070.40
  6. Step 6: Final answer
    x = 17,048.71

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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.