Home / 13,351.04-18,423.86-7,301.10

Finding the Fourth Proportional to 13,351.04, 18,423.86 and 7,301.10

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Solution

The fourth proportional to 13,351.04, 18,423.86 and 7,301.10 is: 10,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351.04 : 18,423.86 = 7,301.10 : x
  2. Step 2: Convert to fraction form
    13,351.04/18,423.86 = 7,301.10/x
  3. Step 3: Cross multiply
    13,351.04x = 18,423.86 × 7,301.10
  4. Step 4: Simplify right side
    13,351.04x = 134,514,444.25
  5. Step 5: Solve for x
    x = 134,514,444.25/13,351.04
  6. Step 6: Final answer
    x = 10,075.20

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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.