Home / 28,715.84-39,618.06-17,953.34

Finding the Fourth Proportional to 28,715.84, 39,618.06 and 17,953.34

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Solution

The fourth proportional to 28,715.84, 39,618.06 and 17,953.34 is: 24,769.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,715.84 : 39,618.06 = 17,953.34 : x
  2. Step 2: Convert to fraction form
    28,715.84/39,618.06 = 17,953.34/x
  3. Step 3: Cross multiply
    28,715.84x = 39,618.06 × 17,953.34
  4. Step 4: Simplify right side
    28,715.84x = 711,276,501.32
  5. Step 5: Solve for x
    x = 711,276,501.32/28,715.84
  6. Step 6: Final answer
    x = 24,769.48

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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.