Home / 32,718.69-45,154.13-18,572.45

Finding the Fourth Proportional to 32,718.69, 45,154.13 and 18,572.45

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Solution

The fourth proportional to 32,718.69, 45,154.13 and 18,572.45 is: 25,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,718.69 : 45,154.13 = 18,572.45 : x
  2. Step 2: Convert to fraction form
    32,718.69/45,154.13 = 18,572.45/x
  3. Step 3: Cross multiply
    32,718.69x = 45,154.13 × 18,572.45
  4. Step 4: Simplify right side
    32,718.69x = 838,622,503.09
  5. Step 5: Solve for x
    x = 838,622,503.09/32,718.69
  6. Step 6: Final answer
    x = 25,631.30

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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.