Home / 27,445.79-37,875.23-14,870.54

Finding the Fourth Proportional to 27,445.79, 37,875.23 and 14,870.54

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Solution

The fourth proportional to 27,445.79, 37,875.23 and 14,870.54 is: 20,521.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,445.79 : 37,875.23 = 14,870.54 : x
  2. Step 2: Convert to fraction form
    27,445.79/37,875.23 = 14,870.54/x
  3. Step 3: Cross multiply
    27,445.79x = 37,875.23 × 14,870.54
  4. Step 4: Simplify right side
    27,445.79x = 563,225,122.72
  5. Step 5: Solve for x
    x = 563,225,122.72/27,445.79
  6. Step 6: Final answer
    x = 20,521.37

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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.