Home / 19,326.10-26,669.54-10,828.57

Finding the Fourth Proportional to 19,326.10, 26,669.54 and 10,828.57

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Solution

The fourth proportional to 19,326.10, 26,669.54 and 10,828.57 is: 14,943.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.10 : 26,669.54 = 10,828.57 : x
  2. Step 2: Convert to fraction form
    19,326.10/26,669.54 = 10,828.57/x
  3. Step 3: Cross multiply
    19,326.10x = 26,669.54 × 10,828.57
  4. Step 4: Simplify right side
    19,326.10x = 288,792,980.76
  5. Step 5: Solve for x
    x = 288,792,980.76/19,326.10
  6. Step 6: Final answer
    x = 14,943.16

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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.