Home / 19,555.54-26,986.77-10,603.18

Finding the Fourth Proportional to 19,555.54, 26,986.77 and 10,603.18

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Solution

The fourth proportional to 19,555.54, 26,986.77 and 10,603.18 is: 14,632.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555.54 : 26,986.77 = 10,603.18 : x
  2. Step 2: Convert to fraction form
    19,555.54/26,986.77 = 10,603.18/x
  3. Step 3: Cross multiply
    19,555.54x = 26,986.77 × 10,603.18
  4. Step 4: Simplify right side
    19,555.54x = 286,145,512.46
  5. Step 5: Solve for x
    x = 286,145,512.46/19,555.54
  6. Step 6: Final answer
    x = 14,632.45

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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.