Home / 18,953.93-26,155.49-10,456.53

Finding the Fourth Proportional to 18,953.93, 26,155.49 and 10,456.53

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Solution

The fourth proportional to 18,953.93, 26,155.49 and 10,456.53 is: 14,429.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953.93 : 26,155.49 = 10,456.53 : x
  2. Step 2: Convert to fraction form
    18,953.93/26,155.49 = 10,456.53/x
  3. Step 3: Cross multiply
    18,953.93x = 26,155.49 × 10,456.53
  4. Step 4: Simplify right side
    18,953.93x = 273,495,574.30
  5. Step 5: Solve for x
    x = 273,495,574.30/18,953.93
  6. Step 6: Final answer
    x = 14,429.49

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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.