Home / 25,225.02-34,810.02-15,798.78

Finding the Fourth Proportional to 25,225.02, 34,810.02 and 15,798.78

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Solution

The fourth proportional to 25,225.02, 34,810.02 and 15,798.78 is: 21,802.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,225.02 : 34,810.02 = 15,798.78 : x
  2. Step 2: Convert to fraction form
    25,225.02/34,810.02 = 15,798.78/x
  3. Step 3: Cross multiply
    25,225.02x = 34,810.02 × 15,798.78
  4. Step 4: Simplify right side
    25,225.02x = 549,955,847.78
  5. Step 5: Solve for x
    x = 549,955,847.78/25,225.02
  6. Step 6: Final answer
    x = 21,802.00

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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.