Home / 18,501.53-25,530.81-10,435.49

Finding the Fourth Proportional to 18,501.53, 25,530.81 and 10,435.49

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Solution

The fourth proportional to 18,501.53, 25,530.81 and 10,435.49 is: 14,400.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.53 : 25,530.81 = 10,435.49 : x
  2. Step 2: Convert to fraction form
    18,501.53/25,530.81 = 10,435.49/x
  3. Step 3: Cross multiply
    18,501.53x = 25,530.81 × 10,435.49
  4. Step 4: Simplify right side
    18,501.53x = 266,426,512.45
  5. Step 5: Solve for x
    x = 266,426,512.45/18,501.53
  6. Step 6: Final answer
    x = 14,400.24

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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.