Home / 18,756.02-25,871.10-12,030.99

Finding the Fourth Proportional to 18,756.02, 25,871.10 and 12,030.99

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Solution

The fourth proportional to 18,756.02, 25,871.10 and 12,030.99 is: 16,594.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756.02 : 25,871.10 = 12,030.99 : x
  2. Step 2: Convert to fraction form
    18,756.02/25,871.10 = 12,030.99/x
  3. Step 3: Cross multiply
    18,756.02x = 25,871.10 × 12,030.99
  4. Step 4: Simplify right side
    18,756.02x = 311,254,945.39
  5. Step 5: Solve for x
    x = 311,254,945.39/18,756.02
  6. Step 6: Final answer
    x = 16,594.94

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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.