Home / 19,423.04-26,786-14,399.76

Finding the Fourth Proportional to 19,423.04, 26,786 and 14,399.76

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Solution

The fourth proportional to 19,423.04, 26,786 and 14,399.76 is: 19,858.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423.04 : 26,786 = 14,399.76 : x
  2. Step 2: Convert to fraction form
    19,423.04/26,786 = 14,399.76/x
  3. Step 3: Cross multiply
    19,423.04x = 26,786 × 14,399.76
  4. Step 4: Simplify right side
    19,423.04x = 385,711,971.36
  5. Step 5: Solve for x
    x = 385,711,971.36/19,423.04
  6. Step 6: Final answer
    x = 19,858.48

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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.