Home / 15,473.58-21,362.85-14,587.98

Finding the Fourth Proportional to 15,473.58, 21,362.85 and 14,587.98

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Solution

The fourth proportional to 15,473.58, 21,362.85 and 14,587.98 is: 20,140.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,473.58 : 21,362.85 = 14,587.98 : x
  2. Step 2: Convert to fraction form
    15,473.58/21,362.85 = 14,587.98/x
  3. Step 3: Cross multiply
    15,473.58x = 21,362.85 × 14,587.98
  4. Step 4: Simplify right side
    15,473.58x = 311,640,828.54
  5. Step 5: Solve for x
    x = 311,640,828.54/15,473.58
  6. Step 6: Final answer
    x = 20,140.19

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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.