Home / 22,155.71-30,585.08-19,118.75

Finding the Fourth Proportional to 22,155.71, 30,585.08 and 19,118.75

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Solution

The fourth proportional to 22,155.71, 30,585.08 and 19,118.75 is: 26,392.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,155.71 : 30,585.08 = 19,118.75 : x
  2. Step 2: Convert to fraction form
    22,155.71/30,585.08 = 19,118.75/x
  3. Step 3: Cross multiply
    22,155.71x = 30,585.08 × 19,118.75
  4. Step 4: Simplify right side
    22,155.71x = 584,748,402.66
  5. Step 5: Solve for x
    x = 584,748,402.66/22,155.71
  6. Step 6: Final answer
    x = 26,392.67

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Double scale
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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.