Home / 19,315.63-26,653.37-10,816.57

Finding the Fourth Proportional to 19,315.63, 26,653.37 and 10,816.57

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Solution

The fourth proportional to 19,315.63, 26,653.37 and 10,816.57 is: 14,925.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315.63 : 26,653.37 = 10,816.57 : x
  2. Step 2: Convert to fraction form
    19,315.63/26,653.37 = 10,816.57/x
  3. Step 3: Cross multiply
    19,315.63x = 26,653.37 × 10,816.57
  4. Step 4: Simplify right side
    19,315.63x = 288,298,042.34
  5. Step 5: Solve for x
    x = 288,298,042.34/19,315.63
  6. Step 6: Final answer
    x = 14,925.63

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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.