Home / 14,925.70-22,352.10-7,125.40

Finding the Fourth Proportional to 14,925.70, 22,352.10 and 7,125.40

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Solution

The fourth proportional to 14,925.70, 22,352.10 and 7,125.40 is: 10,670.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,925.70 : 22,352.10 = 7,125.40 : x
  2. Step 2: Convert to fraction form
    14,925.70/22,352.10 = 7,125.40/x
  3. Step 3: Cross multiply
    14,925.70x = 22,352.10 × 7,125.40
  4. Step 4: Simplify right side
    14,925.70x = 159,267,653.34
  5. Step 5: Solve for x
    x = 159,267,653.34/14,925.70
  6. Step 6: Final answer
    x = 10,670.70

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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.