Home / 22,493.52-31,054.32-15,430.32

Finding the Fourth Proportional to 22,493.52, 31,054.32 and 15,430.32

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Solution

The fourth proportional to 22,493.52, 31,054.32 and 15,430.32 is: 21,302.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,493.52 : 31,054.32 = 15,430.32 : x
  2. Step 2: Convert to fraction form
    22,493.52/31,054.32 = 15,430.32/x
  3. Step 3: Cross multiply
    22,493.52x = 31,054.32 × 15,430.32
  4. Step 4: Simplify right side
    22,493.52x = 479,178,094.98
  5. Step 5: Solve for x
    x = 479,178,094.98/22,493.52
  6. Step 6: Final answer
    x = 21,302.94

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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.