Home / 19,345.56-28,888.95-16,542.96

Finding the Fourth Proportional to 19,345.56, 28,888.95 and 16,542.96

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Solution

The fourth proportional to 19,345.56, 28,888.95 and 16,542.96 is: 24,703.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345.56 : 28,888.95 = 16,542.96 : x
  2. Step 2: Convert to fraction form
    19,345.56/28,888.95 = 16,542.96/x
  3. Step 3: Cross multiply
    19,345.56x = 28,888.95 × 16,542.96
  4. Step 4: Simplify right side
    19,345.56x = 477,908,744.29
  5. Step 5: Solve for x
    x = 477,908,744.29/19,345.56
  6. Step 6: Final answer
    x = 24,703.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.