Home / 65,055.60-97,586.76-18,312.12

Finding the Fourth Proportional to 65,055.60, 97,586.76 and 18,312.12

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Solution

The fourth proportional to 65,055.60, 97,586.76 and 18,312.12 is: 27,469.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,055.60 : 97,586.76 = 18,312.12 : x
  2. Step 2: Convert to fraction form
    65,055.60/97,586.76 = 18,312.12/x
  3. Step 3: Cross multiply
    65,055.60x = 97,586.76 × 18,312.12
  4. Step 4: Simplify right side
    65,055.60x = 1,787,020,459.53
  5. Step 5: Solve for x
    x = 1,787,020,459.53/65,055.60
  6. Step 6: Final answer
    x = 27,469.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.