Home / 32,857.65-45,348.26-18,711.81

Finding the Fourth Proportional to 32,857.65, 45,348.26 and 18,711.81

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Solution

The fourth proportional to 32,857.65, 45,348.26 and 18,711.81 is: 25,824.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,857.65 : 45,348.26 = 18,711.81 : x
  2. Step 2: Convert to fraction form
    32,857.65/45,348.26 = 18,711.81/x
  3. Step 3: Cross multiply
    32,857.65x = 45,348.26 × 18,711.81
  4. Step 4: Simplify right side
    32,857.65x = 848,547,931.39
  5. Step 5: Solve for x
    x = 848,547,931.39/32,857.65
  6. Step 6: Final answer
    x = 25,824.97

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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.