Home / 22,555.17-31,125.51-12,483.36

Finding the Fourth Proportional to 22,555.17, 31,125.51 and 12,483.36

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Solution

The fourth proportional to 22,555.17, 31,125.51 and 12,483.36 is: 17,226.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,555.17 : 31,125.51 = 12,483.36 : x
  2. Step 2: Convert to fraction form
    22,555.17/31,125.51 = 12,483.36/x
  3. Step 3: Cross multiply
    22,555.17x = 31,125.51 × 12,483.36
  4. Step 4: Simplify right side
    22,555.17x = 388,550,946.51
  5. Step 5: Solve for x
    x = 388,550,946.51/22,555.17
  6. Step 6: Final answer
    x = 17,226.69

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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.