Home / 14,947.48-22,423.20-7,931.08

Finding the Fourth Proportional to 14,947.48, 22,423.20 and 7,931.08

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Solution

The fourth proportional to 14,947.48, 22,423.20 and 7,931.08 is: 11,897.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947.48 : 22,423.20 = 7,931.08 : x
  2. Step 2: Convert to fraction form
    14,947.48/22,423.20 = 7,931.08/x
  3. Step 3: Cross multiply
    14,947.48x = 22,423.20 × 7,931.08
  4. Step 4: Simplify right side
    14,947.48x = 177,840,193.06
  5. Step 5: Solve for x
    x = 177,840,193.06/14,947.48
  6. Step 6: Final answer
    x = 11,897.67

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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.