Home / 19,300.74-26,636.20-10,802.70

Finding the Fourth Proportional to 19,300.74, 26,636.20 and 10,802.70

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Solution

The fourth proportional to 19,300.74, 26,636.20 and 10,802.70 is: 14,908.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300.74 : 26,636.20 = 10,802.70 : x
  2. Step 2: Convert to fraction form
    19,300.74/26,636.20 = 10,802.70/x
  3. Step 3: Cross multiply
    19,300.74x = 26,636.20 × 10,802.70
  4. Step 4: Simplify right side
    19,300.74x = 287,742,877.74
  5. Step 5: Solve for x
    x = 287,742,877.74/19,300.74
  6. Step 6: Final answer
    x = 14,908.39

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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.