Home / 13,752.02-18,977.28-7,464.26

Finding the Fourth Proportional to 13,752.02, 18,977.28 and 7,464.26

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Solution

The fourth proportional to 13,752.02, 18,977.28 and 7,464.26 is: 10,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752.02 : 18,977.28 = 7,464.26 : x
  2. Step 2: Convert to fraction form
    13,752.02/18,977.28 = 7,464.26/x
  3. Step 3: Cross multiply
    13,752.02x = 18,977.28 × 7,464.26
  4. Step 4: Simplify right side
    13,752.02x = 141,651,352.01
  5. Step 5: Solve for x
    x = 141,651,352.01/13,752.02
  6. Step 6: Final answer
    x = 10,300.40

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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.