Home / 13,466.24-18,582.18-9,931.40

Finding the Fourth Proportional to 13,466.24, 18,582.18 and 9,931.40

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Solution

The fourth proportional to 13,466.24, 18,582.18 and 9,931.40 is: 13,704.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.24 : 18,582.18 = 9,931.40 : x
  2. Step 2: Convert to fraction form
    13,466.24/18,582.18 = 9,931.40/x
  3. Step 3: Cross multiply
    13,466.24x = 18,582.18 × 9,931.40
  4. Step 4: Simplify right side
    13,466.24x = 184,547,062.45
  5. Step 5: Solve for x
    x = 184,547,062.45/13,466.24
  6. Step 6: Final answer
    x = 13,704.42

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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.