Home / 26,916.60-37,139.88-14,979.93

Finding the Fourth Proportional to 26,916.60, 37,139.88 and 14,979.93

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Solution

The fourth proportional to 26,916.60, 37,139.88 and 14,979.93 is: 20,669.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,916.60 : 37,139.88 = 14,979.93 : x
  2. Step 2: Convert to fraction form
    26,916.60/37,139.88 = 14,979.93/x
  3. Step 3: Cross multiply
    26,916.60x = 37,139.88 × 14,979.93
  4. Step 4: Simplify right side
    26,916.60x = 556,352,802.61
  5. Step 5: Solve for x
    x = 556,352,802.61/26,916.60
  6. Step 6: Final answer
    x = 20,669.51

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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.