Home / 19,543.56-26,948.27-14,155.34

Finding the Fourth Proportional to 19,543.56, 26,948.27 and 14,155.34

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Solution

The fourth proportional to 19,543.56, 26,948.27 and 14,155.34 is: 19,518.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,543.56 : 26,948.27 = 14,155.34 : x
  2. Step 2: Convert to fraction form
    19,543.56/26,948.27 = 14,155.34/x
  3. Step 3: Cross multiply
    19,543.56x = 26,948.27 × 14,155.34
  4. Step 4: Simplify right side
    19,543.56x = 381,461,924.26
  5. Step 5: Solve for x
    x = 381,461,924.26/19,543.56
  6. Step 6: Final answer
    x = 19,518.55

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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.