Home / 40,013.64-60,023.54-11,931.55

Finding the Fourth Proportional to 40,013.64, 60,023.54 and 11,931.55

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Solution

The fourth proportional to 40,013.64, 60,023.54 and 11,931.55 is: 17,898.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,013.64 : 60,023.54 = 11,931.55 : x
  2. Step 2: Convert to fraction form
    40,013.64/60,023.54 = 11,931.55/x
  3. Step 3: Cross multiply
    40,013.64x = 60,023.54 × 11,931.55
  4. Step 4: Simplify right side
    40,013.64x = 716,173,748.46
  5. Step 5: Solve for x
    x = 716,173,748.46/40,013.64
  6. Step 6: Final answer
    x = 17,898.24

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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.