Home / 19,368.20-26,726.54-10,869.16

Finding the Fourth Proportional to 19,368.20, 26,726.54 and 10,869.16

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Solution

The fourth proportional to 19,368.20, 26,726.54 and 10,869.16 is: 14,998.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.20 : 26,726.54 = 10,869.16 : x
  2. Step 2: Convert to fraction form
    19,368.20/26,726.54 = 10,869.16/x
  3. Step 3: Cross multiply
    19,368.20x = 26,726.54 × 10,869.16
  4. Step 4: Simplify right side
    19,368.20x = 290,495,039.51
  5. Step 5: Solve for x
    x = 290,495,039.51/19,368.20
  6. Step 6: Final answer
    x = 14,998.56

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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.