Home / 14,931.58-20,607.28-8,966.52

Finding the Fourth Proportional to 14,931.58, 20,607.28 and 8,966.52

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Solution

The fourth proportional to 14,931.58, 20,607.28 and 8,966.52 is: 12,374.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,931.58 : 20,607.28 = 8,966.52 : x
  2. Step 2: Convert to fraction form
    14,931.58/20,607.28 = 8,966.52/x
  3. Step 3: Cross multiply
    14,931.58x = 20,607.28 × 8,966.52
  4. Step 4: Simplify right side
    14,931.58x = 184,775,588.27
  5. Step 5: Solve for x
    x = 184,775,588.27/14,931.58
  6. Step 6: Final answer
    x = 12,374.82

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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.