Home / 13,549.04-18,697.95-7,580.06

Finding the Fourth Proportional to 13,549.04, 18,697.95 and 7,580.06

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Solution

The fourth proportional to 13,549.04, 18,697.95 and 7,580.06 is: 10,460.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.04 : 18,697.95 = 7,580.06 : x
  2. Step 2: Convert to fraction form
    13,549.04/18,697.95 = 7,580.06/x
  3. Step 3: Cross multiply
    13,549.04x = 18,697.95 × 7,580.06
  4. Step 4: Simplify right side
    13,549.04x = 141,731,582.88
  5. Step 5: Solve for x
    x = 141,731,582.88/13,549.04
  6. Step 6: Final answer
    x = 10,460.64

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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.