Home / 25,621.61-35,352.09-14,864.81

Finding the Fourth Proportional to 25,621.61, 35,352.09 and 14,864.81

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Solution

The fourth proportional to 25,621.61, 35,352.09 and 14,864.81 is: 20,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,621.61 : 35,352.09 = 14,864.81 : x
  2. Step 2: Convert to fraction form
    25,621.61/35,352.09 = 14,864.81/x
  3. Step 3: Cross multiply
    25,621.61x = 35,352.09 × 14,864.81
  4. Step 4: Simplify right side
    25,621.61x = 525,501,924.19
  5. Step 5: Solve for x
    x = 525,501,924.19/25,621.61
  6. Step 6: Final answer
    x = 20,510.11

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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.